iron warrior: volume 12, issue 4
DESCRIPTION
Volume 12, Issue 4. Initially released on March 1, 1991. Editors: Kevin Johnson, Harvey Watson.TRANSCRIPT
IRON WA RIO GO-!EE~
c;k g March 1, 1991 THE ENGINEERING SOCIETY'S STUDENT FORUM March 1, 1991 \~$.t~ ........ ~ .............................................................................. ~ \S}l"f'OF ~'t-y.
Pushed It Real Good!
By Mark Vidler lB· Mech Eng
This past Saturday, the fifteenth annual BUS PUSH was held, and as usual, the weather was on our side. Although the day started out a bit cooler than had been hoped, the efforts of hauling the bus over six and a half Kilometers was more than enough to warm everyone involved.
The trip went well, with not too many incidents along the way. The Bearers were out in for<;e with the TOOL leading the ensemble. At all the stoplights the oncoming traffic was halted and the motorists canvassed by the Little Sisters, as were any onlookers. Along the way over three hundred dollars was raised. Musical entertainment was provided by engineers toting a drum and brass, which proceeded support for the Plummer's Hymn, variations of row, row, row, and a somewhat feeble attempt at the score from Gilligan's Island (what the hell DOES come after "The Professor and Mary-Ann" ?).
Upon reaching Market Square in Kitchener (which was a lot farther than anyone realized) the laws of physics were broken. The whole calvacade, indud ing instruments,
boarded the bus. Said bus, with a seating capacity of about forty-seven people, managed to hold well in excess of one hundred and thirty participants. Yes, it was a tad snug.
Back at l'OETS the forty pizzas generously donated by Little Caesar's were inhaled in less than ten minutes, while the frozen yoghurt, of TCBY fame, and pop weren't around much longer. Most of the Bus Push T-Shirts were sold, but a few still remain, so if you didn't pick one up, get it now or you'll be kicking yourself later.
There will be a reception in POETS on Wednesday March sixth for everyone who participated. The CD player and other great prizes will be given out at this time, as well as liquid 'gratuities' (see 'homework') to the class with the highest pledge totals. This night will be even more fun than was has previously, and everyone should plan to attend. The pledge sheets are due (with money) on Friday March first, so please be prompt as we have to get this money to the Big Sisters.
On a final note: there was much fun had by al1; goodly sums of money were raised; many girls will benefit from this event; there was free food and a gathering is promised; and nobody died. That pretty much qualifies the fifteenth annual BUS PUSH as a great success, thanks to you, the Waterloo Engineers.
BUS PUSH ORGANIZERS WOULD LIKE TO THANK OUR SPONSORS ...
Major Sponsors (>$100) Art Tech Don Cherry's Engineering Society Julie's Flowers Kinko's Little Caesar's MGM Clothes Subway Taters 'n Toppings TCBY Toshiba
Other Sponsors Alberta Jean Costumes Belberry's The Cookie Connection Domino's Pizza East Side Mario's Engineering C&D First Choice Haircutters Gino's Guardian Drugs Kentucky Fried Chicken Kiers Electric . Mark's Work Wearhouse Mega Pizza Phil's Grandson's Pizza Hut Pizza Pizza Reuben and Wong's Stanley Burgers T.}. Cinnamon's Travel Cuts TIC Bottling Co.
Page 2 Iron Warrior
A Week From Hell I know no one wants to hear me
whine ... but that's too bad. I just went through a week from hell that I never want to do again.
Last week I had an exam schedule that I thought was unbelievably unfair to the students in 3A Comp Eng. We had one exam a night for five straight days, Monday to Friday, on
. top of our lectures. I don't know about everyone else but I sure didn't handle all of this too well. I missed lectures, I screwed up exams and I got sick on top of it al1. What's the point?
There are surely a multitude of ways to schedule our exams so as to not put us through this type of torture. Here are a few that have come to my mind ... maybe you can think of a few more and mention them to your professors.
1. The faculty could at least guarantee a day between exams to allow students a little time to recover.
UW Apathy Apathy. "This campus has the
most apathetic student population in the province."- or so I've been told.
Until recently, I was one of the apathetic and so I figured I fit right in. I was apathetic so if everyone else was apathetic then we were all apathetic. No big deal. Who cared anyway.
When 1 did start to get iJ.wolved I found out that there were an these directorships I'd never even heard of and all these people doing a whole lot of different things. The accusation that we were all apathetic sort of faded into the background. But now I'm not so sure. I find it hard to believe that anyone really cares about what happens or what is said about them.
In one of the letters to the editor last issue, I was told that the position of editor of the Iron Warrior is a privilege. I should not abuse this privilege because it will "certainly make someone irate." Being irate has a certain level of emotion to it. Enough that they would be likely to respond to the source of their irateness. If this is true, I could reasonably expect to get a few letters to the editor from people who either agree or disagree with what has been written in an editorial.
In fact I have heard very little feedback about anything in the paper, especially my editorials. To date, the only response I've had to
any of my editorials is a letter telling me that I've misquoted someone. The misquote was only an aside to the issue I was trying to raise and I could have used what had actually been said in the same way.
Other than the one letter, I have a few friends who make a point of saying that they think that the last issue of the paper was a good one. But almost no one ever writes a letter to the editor. As far as we can tell from the response we get we are producing the perfect paper. Nothing is ever wrong with it. Of course we could take it the other way and decide that we are not doing anything right, everything is wrong and we should scrap the whole paper all together.
As further proof of the apathy in this school, we published photos of the artwork on campus and asked for a ranking and naming of each piece of
__ .......... i¥L is a forum for lhouaht·ptoyolting and informadve articles presented by tho acadomic community of . the Univeraily of Waterloo. Views expre.ued in. the Iron Warrior. olhR Jhan the ed.itorialJ. are thoSe of the authors- and
stated. property Warrior. which reserves the right to refuse publication of material which it deeml unsuitable. The Iron Warrior also )'eservers the right to edit grammar. spelling and portions of text that do not meet university atendards. Authora will be notified of any major chanJers that may be required.
do DOt reflect the opinioDi ot the Society.
All and advertising
2. I have heard about some classes (I think it was Mech) that worked ahead with their profs so they could have a week free of lectures for their exams. This might take a little coordination but it sounds like it might not be such a bad idea.
3. Maybe we could have our reading weekend (maybe even WEEK!) during mid-terms instead of after. It would sure help me cope with exams a little better.
4. I think the best idea I have heard yet is abolishing midterm exams altogether. I think if we adopted a system of say two or three midterms spread throughout the term it would be very beneficial to the students. It would not only force them to keep up with their work but it would also take a lot of the pressure off them since one screw-up would not mean a lost course.
Maybe I'm way off base with these suggestions ... If I am, let your faculty know what you think about the current situation with exams. Nothing can change if no one knows there is a problem.
artwork. We got a total of 4 responses. They have been reproduced in this issue somewhere.
The conclusion? The students in this faculty are apathetic. In fact to try and resolve this issue of apathy I challenge everyone who reads this editorial to respond to it. Even if all you do is write a note that says "I am not apathetic" and drop it in my mail box in the Orifice. Or send me e-mail at IWARRIOR@1302. If I get forty responses that will be one percent of the number of copies printed. I bet you can't do it.
./
March 1, 1991
Editors:
Kevin Johnson
Harvey Watson
Photo Editor:
Chris DeBrusk
Advertising:
Todd Bailey
Julie Shigetomi
Contributors:
A.J. Baxter Michael Chan
Wendy Chun
Paul Fieguth Bruce Fraser
Sean Murphy
John Straube Mark Verheyden Mark Vidler
Art Work:
Balderdash
Kim Boucher
Layout Manager:
Linda Hachey
Layout:
Balderdash
Neil Channen Daniel-san
Dodgemyster Elise
Johnova . Lauramatic
The Photocopier Guy Ted Timar
March 1, 1991 Iron Warrior Page 3
Pres Spews Pres Spews Perspectives A.J. Baxter President
The reading days have come and gone. The tentative final exam schedule has been issued. The Eng Soc and Endowment director nominations will close at 3:30 today. The OEDC sta.rts today and those blasted 4th year people will be receiving their rings in 6 days. Yes, the term is slowly drawing to a close. BUT, there are still a bizillion things to be done. EngWeek will be a blast, Rocky Horror Picture show will be in POETS real soon and the End of Term Pub will be a blowout.
I was sitting in a meeting somewhere and someone mentioned something like the faculty doesn't seem to be too aware of what EngSoc actually does. I said "Whaddya mean, they know what we do". But then later (while consuming beers or LIlTs) I started really thinking about what EngSoc does and what the faculty involvement is or could be.
The primary function of EngSoc is to provide a social scene (of sorts) for undergraduate engineers at the University of Waterloo. Most of the stuff we do could use more participation and rivalry. This would be a perfect place to have more faculty involvement. I can see it now ... a prof team for Eng Floor Hockey. (Well, maybe the tug'o'war is more their speed). But it would be great to get to know the professors better. Another aspect that would be Improved with professor involvement would be the charity fund raisers EngSoc runs. Trina and Jefferson may be running a charity 'jail' and I think we could raise more money if we could jail our profs along with the EngSoc Exec. By the way, keep your ears open for this upcoming event.
Another item that tells me that faculty may not be aware of what EngSoc does is the low number of proposals that have been received for the WEEF interest money. The only viable proposal that A Soc received was ' for WatStar. We don't have enormous amounts of money in interest yet but still $10,000 is $10,000, I think that the students have shown great commitment to their education by donating $75 per term to WEEF and I hope that faculty members are aware of this effort on the part of the student body.
The OEDC is bringing students from all over Ontario to the University of Waterloo. In addition to the outside talent that will be appearing, U of W engineering students will be entering their projects. The Dean and the SFF have been involved :0 the funding of the competition, but Faculty interest would mean a great deal to the students participating in the events. Finally we are applying all of the formulae and "stuff' that they have been drilling into us over the years.
EngSoc is very concerned with the promotion of engineering to highschool students and to public school students. Many of U of W engineering students have been attending conferences and seminars on how we can encourage more people into the field. Dean Burns and Bill
Lennox have given EngSoc incredible support with these initiatives but I think it would be great to see more of the professors involved or even aware that we are really trying to get out there and make a difference.
Now, I know that I don't know about all of the research that professors do nor do I expect profs to know exactly what is playing at POETS on Thursday afternoon. Perhaps the problem has been lack of communication on EngSoc's part but what ever the reason I will be making an effort to inform the faculty about what we do and I hope that this will make profs more inclined to participate in the fun and the serious things that EngSoc sponsors. So on March 18th I will be going to Faculty Council to give a brief overview of EngSoc. I hope this will inspire Profs to write to the IW, to get involved and to be aware that we really need to have fun as well as get a degree.
c~~
Name with heJd by request 4A Psychology
How can you ten that someone is an engineering student? The engineering students are the ones who are drunk, rude, and obnoxious. They spend their free time watching strippers, making sexist jokes, and seeing who can consume the most alcohol. They look down on anyone who does not know how to design a bridge, but they are completely unable to comprehend any kind of moral or ethical problem, including the ones that are created by their own bridge-building. They are secretly jealous of "artsies", not because we work on human problems, but because we have fewer hours in class which translates into more time for drinking.
None of the engineers I know personally fit the stereotype, and so I know that this impression of
engineers is not accurate. However, it was the first picture to come to my mind of a "typical" engineering student. A tiny minority of the engineering students are perpetuating this image. The myth is reinforced when I hear about such debates within engineering as whether or not to cancel drinking contests, to change the name of the (Ridgid) Tool, or to hire strippers for society functions, but J do not hear about any positive work being done by the engineering societies.
Stereotypes die hard. There are drunken boors in engineering; there are drunken boors in every faculty. Engineers have a reputation to overcome, and many people are working hard to overcome it. Our industrialized SOciety needs the skills of engineers, but we also need to see that there is more to a balanced education than not spilling your drink.
Math & Computer Bldg Room 2018 Ext 4636 Mon. - Fri. : 10:00 am -3~m
If you haven't been in the Computer Store for awhile, maybe it's time you paid a visit. We carry high quality computer products that can satisfy even the stingiest of budgets.
Our DOS line of products is headed by the industry leading PS/2 from IBM at special educational prices. Compatible products from Packard-Bell and Roland-Datatrain are aggressively priced to meet the demands a the univeraity purchaser. or exBA'lpM. a 386sx wi • a hard disk, DOS 4.01, Windows 3.0, a mouse and a VGA monitor - all with a two year manufacturer'S warranty - is available for only $1842.
laptop models are available from all our vendors at attractive prices; ego 'the Datatraln 286 laptop with 40Mb hard disk is $2377. The Store also has some new Notebook models on display. The
.8.5" x 11", 6-pound Packard-Bell 286 Notebook with 1 Mb RAM, 20Mb hard drive Is only $2387 with coupon.
Our Macintosh line of products is headed by the exceedingly popular Mac Classic, which comes with 2Mb RAM and a 40Mb hard drive for only $1687. The Mac LC and the Mac IIsi are also very popular.
Workstations from IBM, Sun Microsystems and NeXT head our Unix line of products and these computers are priced to attrad previous PC and Mac users as well as the high-powered Unix user. We have an IBM Rs/6000, a Sun SPARCstation IPC and a NeXTcube on display in the Store.
We carry a full line of dot-matrix and laser printers from IBM, Apple, Roland, Hewlett-Packard and OMS. A 9-pin printer with Near Letter Ouality is only $196; 24-pin printers are under $300. Laser printers start at $1238.
Our full line of computer hardware is complemented by an increasingly large selection of software at tremendous educational prices. We can also provide third-party peripherals such as disks, cables and memory for the products we sell.
All products carried by the Computer Store are consistent with UW's computing direction. Software and networking support for our products is available on campus from the Department of Computing Services. Hardware maintenance and warranty service is also available on campus.
The Computer Store exists solely for the benefit of faculty, staff and students of the University of Waterloo and Wilfrid Laurier University. We encourage you to stop by during our open hours.
Guaranteed loans, up to $2500, are available to UW full-time students for computer purchases. Ask for details in the Store.
If you have any comments about our products or procedures, we would be glad to hear from you.
Page 4 Iron Warrior
Displaying: How it works Paul Fieguth 4B Electrical
Following up on last issue's topic (CRT displays), this time we'll take a look at other forms of displays: LCD, LED, and electroluminescent.
Liquid Crystals: Liquid crystal displays are those
non-glowing, usually black and white, displays commonly found on pocket calculators and laptop computers.
A liquid crystal is a collection of atoms that maintains some form of structure, but also has some degree of freedom to move (ie, an intermediate state between crystals and liquids). There are th ree forms of crystals: smectic, nematic, and cholesteric (the d istinction ly ing in the form and shape of the liquid crystals). Most . displays are made up of the nematic form of crystals, where the crystals are arranged somewhat like a set of toothpicks in a box: One feature of these crystals is · that the direction in which they point can be influenced by external electric or magnetic fields .
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A basic feature of the crystals is to polarize light in the direction in which the crystals point. You may recal1 from physics (see Figure 1), that two polarizers pointing in the same direction allow some light to pass (specifically, all of the light polzarized in the direction of the polarizers passes), whereas two polarizers pointing at right angles allow no light to pass.
Figure 2 shows the basic liquid crystal display. The crystal is mounted within a glass or plastic polarizer. When an electric field is applied across the crystal, the polarization is opposite that of the glass, and the segment appears black. When no field is applied, the crystals tend to orient randomly, and light will pass.
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Liquid crystal displays consume very little lower, and thus are ideal for wristwatch and calculator applications. Disadvantages include the fact that the display response time is slow, and that the display generates no light (ie, exte rnal ambient light is required).
ONCE AGAI N PRESENTS:
The ROCKY HORROR Picture Show
When? MARCH 1 (that's tonight)
Time? Doors open @ 8pm
Where? POETS ... where e lse?
Cost? 1$, free if dressed up!!
Light Emitting Diodes: Light emitting diode (LED)
displays are relatively scarce these days, however they used to be common on calculators and some wristwatches.
A diode is a basic electronic device that permits current flow only in one direction. Figure 3 shows the basic construction of the diode. The heart of the diode is a junction of two
The color is a controllable parameter of the diode design
semiconductors (usually based on si licon or gall ium arsen ide and phosphorus ). The dissimilar semiconductors induce an electric potential (ie, a voltage difference) across the junction. When a forward current is applied to the diode, electrons must pass across this junction and hence cross the electric potential, thereby losing energy. When an electron loses energy it emits a photon (for those of you who remember, this is analogous to an orbit change for an electron in an atom). The colour (ie, wavelength) of the emitted photon is a function of the energy drop across the junction, which is a controllable parameter of the diode design.
In normal diodes, this junction is buried and hidden. In an LED, he junction is exposed (usually by encasing the device in a clear plastic), permitting the emitted photons to escape the device and be visible to our eyes. Clearly if no current is applied to the d iode, no electrons cross the junction, and no light is emitted.
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LED displays consume a considerable amount of power, hence their disfavour among low power devices (calculators etc). Advantages include the fact that they have a very fast response time (LEOs can be used in laser printers, see my first article), and they can generate a variety of colours of light (or even infrared light).
Electrol uminescence: Electroluminescent displays are a
relative newcomer to the display field. The display is based on the Destriau effect (OK, so you didn't really care about that).
Figure 4 shows a cross section of an electroluminescent panel. The panel is built up of a thin phosphor (typically zinc sulphide), encased on each side by a thin plastic sheet surrounded by electrode contacts. If a voltage is applied across the contacts, a strong electric field is induced in the phosphor. This electric field accelerates electrons, smashing them into other electrons and a toms. Every time an electron collides with something, it slows down and releases its energy in the form of photons (which you then see).
This electric field accelerates the electrons, smashing them
into other electrons and atoms
This effect dies down with time (as electrons drift due to the field, they move to the far electrode and induce a field equal in magnitude to the external field but opposite in direction, thus cancelling further electron movement). Thus in order to sustain light generation, the external field must vary with time (eg, just put an alternating voltage on · the electrons).
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EL displays can be built to cover a wall!
EL displays have numerous advantages: they can be built in a variety of sizes (from a small pixel to covering a wall), they are very efficient (much more efficient than lightbulbs - they could conceivably illuminate a room), and they have a very fast response time. The main difficulty with these displays for computer applications has been to find appropriate phosphors to generate a variety of colours (ie, for colour screens).
March I, 1991
Michael Chant 4B Mechanical
It's the last day of the competition as the team members watch the mud covered motocross track. Some realize that their entry has no chance of winning while others know t at a good showin in this final event will mean the difference between first and seventh place. A group of spectators watch anxiously at the bottom of a hilt straining their necks and ears for any sign of their vehicle. A faint rumbling from the opposite side of the hill grabs the attention of the crowd; the onlookers know what to expect next. The first of many Mini-Baja vehicles scream across the top of the hill clearing three to four feet of air before impacting the ground and continuing on down the track. The designers of that particular vehicle breath a sigh of relief as they realize that their entry has completed yet another lap. This event is known as the Endurance Competition and is by far the most gruelling and exciting in the Mini-Baja competition.
••• mini-baja vehicles scream across the top
of the hill ... The SAE Mini-Baja, as the name
may suggest, involves the design and fabrication of an off road, all-terrain vehicle. The rules are simple and straight forward; each team is given a Briggs and Stratton motor around which you have to build a vehicle. This includes all aspects of the frame, suspension, drive train, steering, brakes and all the other major and/or minor components which would allow a vehicle to move from point A to point B safely. The process is quite involved and draws on the engineering knowledge and skill of a student to ensure that the main objective is met; This objective, of course, is to win the 1991 Midwest Mini-Ba' com tition.
Iron Warrior Page 5
The University of Waterloo's entry has always performed well. In the past it has won individual events but has never won the overall competition. In order to make it more competitive changes will have to be made in the areas of acceleration, handling and durability. Such changes have led to th e ~nstruction of'the vehicle from the ground up. The only thing from the past that the 1991 Mini-Baja vehicle will retain is the frame. This redesign and fabrication will be quite involved but is essential if the vehicle is to perform well in the seven events outlined below: 1. Acceleration
This performance evaluation is the first of the combined acceleration, top speed, and braking event. The winner is judged to be the one with the lowest elapsed time over a 100 ft. straight run from a standing start. 2. Top Speed
This event is conducted in conjunction with the acceleration and braking test. The elapsed time through the last 20ft. of the test course will be measured and a top speed is calculated .
3. Braking At the end of the top speed
measurement the vehicle will enter an 8 ft. wide braking lane. The driver is to apply controllable braking. The distance travelled from the end of the top speed measurement to the wheel on the vehicle which has travelled the farthest will be measured and the average deceleration will be calculated. 4. Chain Pull
This event is designed to test the relative pulling power of the vehicles and to entice tractor pull enthusiasts to the event. A chain will be connected to a hitch located on the vehicle. The vehicle will drag as much of the load chain as possible until such time that the vehicle can no longer move the load.
5. Maneuverability This event consists of one lap of a
"rally-type" course through pylons and over moderate terrain. A time penalty of five seconds will be assessed for each pylon hit and a time penalty of ten seconds will be assessed for each pylon missed. The winner will be the one to make it through the course in the shortest amount of time.
... an acceleration test up a 30% to 100% grade ...
6. Hillclimb This event consists of an
acceleration test up a 30% to 100% grade from a level standing start. The winner will be based on the best elapsed time.
7. Endurance Event The endurance event will consist of
a number of laps run over a rough terrain track for two hours. The order of finish will be based on the number of complete laps run during the two hours. This is by far the most punishing event for the vehicle and the team that finishes first usually places quite well in the competition.
The major areas of the University of Waterloo's entry (ie. suspension, steering, drive train) will be completed by the end of March. Testing will occur during the month of April, and if need be will continue up until the middle of May. The competition date is scheduled for the weekend of May 31st 1991 and will occur near Dayton, Ohio.
The Mini-Baja vehicJe will be on display during open house in March and a presentation will be given to the CSME society near the end of March. At present the University of Waterloo's entry does not have a cool and sophisticated name. We would appreciate suggestions for a vehicJe name which would embody the spirit of the University and of the project itself.
At present the 1991 Mini-Baja team is selling T-shirts for ten dollars each to raise money for financing the vehicle. We hope that you will support our cause and will purchase a T-shirt from anyone of the six team members: Michael Chan, Douglas HtJI, Troy Hilton, Robert Keenan, Murray Rice and Alan Buxton. If you have any more questions on the project please feel free to contact Michael Chan through Watstar at MCHAN@MECHANICAL or by leaving a message in the Mechanical Engineering Office.
IN DESPERATE NEED OF THE FAelUTIES
BRUTUS DESCENDS FROM THE LOCKER ROOM ...
ONLY TO BE CONFRONTED BY HIS WORST ENEMIES ...
/
1HE DREADED ...
CRERTEo BY THE MRo DR. CHUCK RNo HIS EUIL HENCHMEN.
THE BEE-BOPS RRE FOUND ROAMING THE LOWER flOOR
OF FED HRLl, ORNe lNG, DR RRntER "BEE-BoPP IN6 ",
m WATERLOO'S BEST DANCE MUSIC RT
WATERLOO'S BEST NIGHT SPOT - FED HALL
- GET READY FOR OUR ST. PADDY'S BLOWOUT
- COME OllT TUESDAYS AND WEDNESDAYS FOR
POOL., DARTS AND SHUFFLEBOARD COMPETITIONS
- REMEMBER ALL YOU CAN EAT FOOD SPECIALS
ON WEDNESDAyS ....
Page 6 Iron Warrior
OEDC • IS HERE ,
• Wendy Chun 38 Systems
The moment of glory has arrived. People will be unmasking their works of art this weekend -- tensely anticipating the verdict and trying to charm the judges into believing that their project really is the best thing since sliced bread. All the hours of pain will finally payoff. Yes - this weekend is the OEDC '91 competition.
The presentations will start this Friday and carry on into Saturday. The Entrepreneurial Design and Corporate Design booths will be on display in the Davis Centre Foyer throughout the weekend. E~itorial Communications will be held 10 DC-1350, Explanatory Communications in DC-1351 and Extemporaneous Communications in DC-1302 and DC-1304. Mr. Denis Hall, partner, The Coopers & Lybrand Consulting Group will be speaking from 3 to 4:30 pm on Saturday afternoon in DC-1350. An informal welcoming party will be held in Fed Hall on Friday night and the Awards Banquet wiJI be held at the Waterloo Inn on Saturday night.
The schedule is packed for Friday and Saturday and the presentations are as follows:
ENTREPRENEURIAL
Section A
Friday 7:55pm
8:35pm
"A Colour Detector for Visually Impaired" Linas P. Dauksa University of Toronto "A Better Page Turner" Geoffrey Vanderkooy Laurence Pilch University of Waterloo
Saturday 8:15 am ''The ECSIII -
Programmable Guitar Effects Controller" Peter Landon Matthew Kaustinen AndrewMor Queen's University
8:55 am "Main Buccale" Isabelle Laurin Don Holtz University of Waterloo
9:35 am "Quick Release Locking Axle" Denis Campion Sebastian Do Antonio Maio Carleton University
10:15 am "Ultrasonic Washing Machine Proposal" Alex Kwain Alan Wong Mable Wu University of Waterloo
10:55 am "Design Implementation of a Felxible Urethane Coupling" Narinder Chana Paul Pfeiffer University of Windsor
11 :35 am "The Pannier Fridge" Joseph Day Trish Greig Queen's University
Section B
Friday m
8:50pm
i Arthur Drevnig University of Waterloo "Retroreflecting Shadowgraph" Ron [acobelli Victor Lopes University of Windsor
Saturday 8:30 am "Remote Jam"
Harry Mark University of Waterloo
."
9:10 am "Automatic Delxming of Whitefish Fillets" Edward Jahn University of Windsor
9:50 am "Real Time 3-D Video Game System" Michael J. Narayan Aaron W. Ogus University of Waterloo
10:30 am "CDRU Design ProjectH.E.R.V." Chris Daskas Rocco Carella Fabio Dal Grande Sam Troia University of Toronto
11:10 am "The Mechanized Com poster" James Yerner Wendy McEachern Steven Moffat Andrew Leslie Queen's University
CORPORATE DESIGN
Friday 7:30pm
8:10pm
"Stabilization of Hazardous Wastes" Chris Kieswetter Carleton University "Multistandard Decoder for RGB CRT Data Projector" Alexander McKinney Warren D'Souza Universi of Waterloo
Saturday 8:20 am "BOD Treatment"
Michael Shaffer Efstathios Notidis Akaash Singh Alfredo DaCunha Queen's University
9:00 am "Automated Test Fixture" Paul Sadler Glenn Cassibo Mark Cunningham University of Toronto
KlTCHENERPWATERLO0 NOW HAS ONE NUMBER FOR GREAT PAN PIZZA!
Pizza Hur Pan Pizza. oOey, gooey good:
March 1, 1991
9:40 am "Autofocus Attachment" Bruce Hecht Patrick Lau Malathi Francis University of Waterloo
10:20 am "Oil Tank Filler Closure" Laurence Gryniewski Leo Po Anton Bakalic BruceAmm University of Toronto
11:00 am "Frequency Oscillation Detector" James Brooks Roger Bowes Queen's University
11:40 am "Measurement of Sharpness for Coated Abrasives (3M)" DinoCaro Denise Spadotto University of Windsor
EXPLANATORY COMMUNICATIONS
Friday 7:40pm
8:35pm
"Industrial Flowmeters: Analysis and Selection" Aaron Nelson University of Waterloo "Quality Maintenance" Jeff Clavert University of Western Ontario
Saturday 8:10 am "Architecture and
Optimization of the Ariane 4 European Rocket" Laurent Michel Robin Dufour University of Ottawa
9:05 am "Maximizing Chiller icicncy"
Robert Greenwa1d University of Waterloo
10:00 am "Wastewater Teatment" Paul Koros Guelph Universi ty
10:55 am "The Fax Machine" Sharmcne Fatima Ali University of Western Ontario
11 :50 am "Object Oriented Programming" Andrew Reeves-Han University of Waterloo
EDITORIAL
Saturday 8:40 am "The Engineering of Life"
Bradley John McBain University of Western Ontario
9:35 am "Power Line Radiation" Selina P. Ali University of Western Ontario
10:30 am "Military Research and Engineering Ethics" Gerald L. Boersma Jeremey S. Fong Carleton University
11 :25 am "Moving us Into Tomorrow" Rodney Case University of Western Ontario
Please feel free to come out and see the presentations and support your friends in this competition.
Thanks to everyone who has volunteered to help us this weekend and it's not too late to come out and help out. Good luck to all the competitors and I'll sec you all out in the Davis Centre this weekend!!!
"
March I, 1991
Pub{isfi Harvey Watson 4B Chemical
Last fall Queens hosted a conference entitled Canadian Engineering Student Papers Conference (CESPC). The aim of the conference was to provide a forum for discussion on how to improve engineering student newspapers. There were representatives from all over the country: from UBC to UNB (New Brunswick). Some schools only sent one representative (like U of Alberta), while others sent a pile of People (Queen's - it was a very short drive for them). Some didn't send any at all because they no longer publish a paper. They have constitutionally restricted themselves from ever printing a paper again.
After we arrived on Thursday evening, we attended a hospitality/ get-to-know-you reception. People had a wide range of personalities but most agreed that the reputation of the average engineering student paper needs a lot of help and that usually the reputation is well founded, or used to be. Many anecdotes were passed on about how each paper had been in trouble in the past. UW representatives had very little to pass on in this respect but we heard a huge pile of stories.
Friday morning we had a discussion group where every paper presented a brief synopsis of the format, circulation, and history of their paper. Most of the papers were of a humour format with a moderate circulation. Some are read across campus, like IW and Queen's Golden
Revamped Ray White Des Consultant Ray@108
It seems many people are unaware of what is happening with computing in Engineering, and so here is a list of recent changes that address a number of your computing needs.
The Watstar network is being upgraded this term with financial aid from Alumni and the Faculty of Engineering. There will be in total sixty one new 386 based computers replacing the old XT's. The computers have started to arrive and are being installed as quickly as possible. Already the Mechanical, E2-1304 room is upgraded and the EL-108 room is partially upgraded. Soon Electrical, Chemical and Civil will receive upgrades along with some of the stations in E2-1302. The Gref computers currently in EL-I08 will be moved to E2-1302 (they have high density 5.25" drives). For you hardware buffs, the new JKL computers are 33MHz 80386 computers, with 33MHz 80387 math co-processors, 4 Megabytes RAM, 64K RAM cache, Super VGA displays, Logitech mouse and a single 3.5" 1.44 Megabyte floppy disk.
The Department of Computing, computer Consultant and the Watstar
Iron Warrior Page 7
Words, while others are restricted to a single distribution point.
In the afternoon, Claudette MacKay-Lassond gave a talk on how to change a newspaper's reputation. She said tha t perception is everything and that the truth is irrelevant. Basically, the name of the paper has to be changed so that people will pick it up because they have never seen it before and then the content has to be Significantly difference so that the person picking up the new paper doesn't say something like "Oh. They just changed the name and didn't do anything else."
Needless to say this suggestion met with a large amount of opposition from some well established papers who have already set about changing their reputation by other means.
After that we went into discussion groups where we talked about all sort of things like how to improve advertising, management techniques, and various perspectives on engineering papers from industry and academic representatives.
Later in the afternoon we heard about the rights and responsibilities of an editor. There are several jobs of the editor. The editor should not do unintentional harm, afflict the comfortable, and comfort the afflicted. We also heard about several legal responsibilities that all boiled down to common decency. The bottom line is that the editor is responsible for everything written in the paper, no matter what the circumstances.
That night we were treated to a glimpse of the Kingston night-life. Bars are the same all across the province but the atmosphere is definitely different.
Saturday, we had three different workshops interspersed with a . . . . - . . . . . computing Consultant are now centrally located in the new Engineering Computer User Support Centre (ECUSC). The ECUSC is located in E2-2349A just across from Audio Visual and beside the Engineering Copy Centre. If you have any computing problems the Consultants will be in the ECUSC to help you from 10:00 to 12:00 and 1 :30 to 4:30 daily. Also you can phone the ECUSC at x6814 for Watstar specific questions or x3524 for any other questions including UNIX and CMS based questions. Since the Watstnr Consultant has moved from the EL-108 office to the ECUSC there is now an on-campus phone available in EL-108 if you have any problems. As a side issue if you are having problems printing on the printers located in Engineering Input/Output room, CPH-2367, please come down to the ECUSC as the printer Operators are not familiar with the software associated with the printing process.
Over this term there have been many complaints about people using the 386 based computers for ga me playing. As a result, we would appreciate all the people playing games to not play games when people need the 386 computers. In other words, if you want to playa game and the room appears full please move to the older XT computers. Users have the right to ask game playing people to leave. This common courtesy is the step before banning all games on the Watstar network.
number of key-note speakers. The workshops covered technical writing, cartooning, reporting skills, humour writing, and public relations.
The first keynote speaker talked about the relationship between engineering students and the APEO. We heard a number of statistics on
Wat-a-b6ggan
John Straube 4B Civil
the profession of engineering. For The 1991 Great Northern Concrete instance, did you know that there are Toboggan Race was held at Ecole 130,000 engineers in Canada. Did you Poly technique in Montreal February know that only 3% are female 21- 23. The 18 members of Team Watcompared to 40-50% in Eastern a-ooggan emerged triumphantly with Europe? Did you know that the Lady an overall second place finish against Godiva song started at U of Tin 1947? , the 37 teams from across Canada and
The second keynote speaker was the United States. The Wat-a-Mr. J. Simpson of the Globe and Mail. He talked about the relationship between media and society but in the process showed his ignorance of the true content of engineering newspapers, despite being given several copies two days earlier so that he could have a up-to-date reference.
Saturday night we went to the Queen's equivalent of POETS. There . is no comparison. POETS is a pale shadow. The atmosphere is great. The place is comfortable not to mention the band. ' One of the best I've heard ... and they were all Queen's graduates doing it as a parttime thing. If you ever get a chance to go there - TAKE IT.
Sunday we had a plenary session where we eventually ironed out some resolutions about what we gained
. from the experience. On the whole it was an incredibly productive weekend. We all had fun and learned a lot (despite having only three days notic~ 'of the event.)
•
boggan was nominated for Best Design, Best Braking System, and Most Spectacular Run.
On the first run, the Wat-c'i-boggan reached a speed of 42 km/h but hit the waJl after the finish line, catapulting the sled and its five occupants sideways and upside down. Luck, helmets, and the integral rollbar prevented serious injury, but a concerted effort was required to rebuild the mutilated braking system before the second run.
The now experienced team safely completed the second run with a speed of 48 km/h. After excessive celebrations Saturday night, the team returned home at midnight Sunday, hoarse, hungover, exhausted, and elated.
Please remember to come out to the fund-raising barbeque held every Friday ou tside POETS and see the remains of the Wahl-boggan. Stay tuned for a future IW article and the spectacular video presentation being produced.
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ALSO - Clothes Alterations, Shoe Repair and Wash, Dry and Fold Service •
Page 8
Sean Murphy 3A Mechanical
Babes, bathing suits, booze, cops and fire engines. What a trip!!! 24 enduring hours spent in a car to pursue the American Dream, a chance to see the SUPER BOWL.
Destination Tampa. Rob, Dave, Collin and I left on a cold, blustery
. morning leaving our class companions to measure mass flows of snow in the frigid January air. The time was 5 am. We were off to explore the unknown ... only to return ten minutes later to retrieve a forgotten pair of sunglasses. (That's right Collin, there is sun in Florida.)
Proceeding on the 401 towards Windsor, it was remarked to anyone who would listen how cold it was in Canada and how warm Florida would be with a great deal of emphasis on the fact we would be attending SUPER BOWL XXV.
The road trip of biblical proportions had begun. Miles and miles of beautiful Canadian tundra passed us by, (or was it simply the wastelands of arlo ar ly cover d by snow). But by the time it was 8:30 am we were crossing Windsor in our perilous pursuit of the American Dream, and were fast approaching the American border.
Crossing the bridge we tried to see the majesty of the purple mountains and of downtown Detroit; however due to heavy fog (smog?) we were unable to see a great deal of this beautiful city. We had to make our
Iron Warrior
Super Bowl way through some interesting neighborhoods in our goal of reaching the 1-75 alive. This did not occur without incident. At one stoplight, we were rapidly approached by several members of a tribal gang who proceeded to attempt to remove our hubcaps. Fortunately, my jeep does not have hubcaps and we were able to escape after striking a few of the thugs with the front of the jeep. At that point, the light turned green and we able to leave without further incident. I then woke up ...
The rest of the journey through Detroit was filled with adventure as we, the voyagers, encountered flash storms of snow and sleet throughout the Detroit area.
Upon leaving Michigan, the snow was replaced by beautiful sunshine (coincidence or no?) as we entered Ohio. The tri p proceeded wi th gesticulation to any car who attempted to overtake us in our goal of the American Dream, the SUPER BOWL. As such, we were noticed by everyone on the road with our Canadian flag flying out of the sunroof and our many signs indicating our destination and our intentions. Examples inc1ude:"Four nice Canadian guys looking for .... " and "Tampa Bound dude!!!".
we met up with Homer Simpson
The journey through Ohio was uneventful until we reached Cincinnati. Fearing that we might be caught in midday traffic through downtown Cincinnati, we chose through Indiana where we met a lot of hoosiers. (Only in the States would there be a bypass for a city in one state passing through another state.)
Ouring our brief stay in Indiana we had a drag race with a 240ZX who decided to take the Canadian challenge near a nuclear plant on the Ohio River. Fortunately, he wasn't in a racing mood, so the Canadians won again!!! While we were passing the nuclear plant we met up with Homer Simpson who lent us some plutonium to stock our flux capacitor to return to the future to see what life is like after graduation. (Seeing as though we hadn't passed, we decided to return to school right after the game.)
Dave's drag racing experience and his interesting interpretation of the speed limit in kilometers per hour was exciting. (No Dave, 120 km/h is not the legal limit anywhere, not even Indiana!?!)
After relieving Dave in Sunny Ohio, our journey continued towards the wild southern states. Upon entering the Kentucky Blue Grass state, where we didn't see any, though there was a lot of crabgrass, we enjoyed our greatest adventures. Again the signs were indicating our destination, with the added "Where's Tampa dude?" We received a great deal of guidance from other drivers on the road, each pointing straight ahead. We waved back.
A lot must be said for southern hospitality of Kentucky. As w.e continued our pilgrimage, we encountered the friendly smiles of some female students from the University of Kentucky. These smiles were from the back window of a car ahead of us. The smiles were not on their faces either, but they were warm.
After racing through the evening\ traffic chasing after the girls of our dreams, they managed to elude us through a series of rapid lane changes and pulled off at the exit for the University of Kentucky. Destiny had passed us by again.
The Sandford Fleming Foundation
March I, 1991
After our brief and uneventful jaunt through Tennessee, where we failed to see Elvis, after all, he was expected to show up at the SUPER BOWL. We thought we could give him a ride on the way down to Tampa. However, since he is dead we passed though Tennessee without a stop and entered the eternally long and ridiculously boring state of Georgia (at 1 am of course).
The song "Georgia on my mind" became a literal translation of our sentiment because it seemed to go on forever. Maybe it was due to the fact it was the last state before reaching the sunshine state, the state of our dreams and the SUPER BOWL, Florida.
When stopping at the greater Georgia gas stations we were much impressed by the fact we could purchase singles of beer in any convenience store. Isn't America wonderful? Only in America can you pull off at a roadside gas station to buy singles of beer for the long and thirsty drive. But I digress ...
The people are just not friendly in Georgia. I guess we are partially to blame, we were little wired after consuming 3 cases of Coke. We might have been a little to hyper for 2 o'clock in the morning, caffeine docs that to a person.
After passing through several periods of semi-consciousness, some of them while I wasn't driving, I awoke to the cheering of our quasi-alert passengers as we entered the great state of Florida. We were only 90 minutes away from the greatest goal of our lives, the SUPER BOWL city of Tampa, Florida.
Room 4366, Carl Pollock Hall (519) 885-1211, Ext. 4008 University of Waterloo, Waterloo, Ontario N2L 3G1
Thi~ is ~ twice yearly competition involving oral presentations of work term reports by undergraduate englneen~g st~dents. This term's competition will be held the morning of March 12, 1991. The winning presentation Will earn a cash award of $300, with other participants receiving awards of $200 each. For more information, contact Prof. P.H. Calamai at DC 2623 or Ext. 3182. .
Ever hav.e an unco~trollable urge to spew off on some meaningless topic? The Sandford Fleming Debates may .be Just the thing for youl Each term, teams from various undergrad classes compete for fame, prestIge, and cash awa.rds ($1 o~ each to member~ of the winning team, and $50 each to the runners-up). Contact the Debates Directors vIa the EngSoc OffIce for more details on this term's debating series.
An organization devoted to the advancement of engineering education.
March 1, 1991 Iron Warrior
Bruce Fraser 4B Chemical
The darkness envelopes the hateful light easing scorched and sleepless eyes. the clock strikes prophetically flooding overloaded senses with streams of unremembered horrors. Oh, that darkness might continue her momentary comfort in a world of hatred, where white is evil and black is good.
a cavern appears to the night loving eyes; home to an underworld river flowing seductively downward toward an inland sea filled with erotic visions
Boy on entering the lavender water scales form upon insightful yes and a torpid blindness pervades. all feeling disappears (like the bodies on the streets) and the mind encapsulates, floating downward toward an unsound bottom. journeying onward, (having left the inviolate shelter) a sensc of undiscovered awe sets in choking rational thought with opiate-like dreams.
the boy smiles and his mouth reveals a long, dark passageway; a sort of reversible black hole of sunlit gardens
and trees bearing fruit. used to spew forth evil sunlit hypocrisy, sucking rosily inward HAVENGER SCUNT
on the lawn of a bright, white house sits a smiling prodigy
with unpretentious notions of goodness.
of a boy with a candy red lollipop dreaming about banana splits on a hot, summer day.
~rawn in by the overwhelming beauty Winston enters past rows of mangled bodies
5 i gnups beg i n March 6
Are you ready? leaning forward he becomes a lizard in a palace with stately kings
to find his soul at rest and his body freed.
and forgotten queens discussing war. Their job finished, he walks out into the sunlight.
Alumni $$$ Mark Verheyden 48 Systems
We have recently been hearing alot about underfunding, the need to mobilise alumni and how we should do our share. But what we have not been hearing about is how our education is affected by alumni donations. Here are a few facts:
Engineering alumni are the most generous alumni at Waterloo. Last year almost 1 in 4 Engineering alumni donated to the University. That means almost 3,000 alumni though that investing in Waterloo was important. (the university average runs at only 16% ).
•
Donations for last year totalled over $317,000. Some of the recent allocation of alumni donations are as follows: General ($93K) - upgrading WATSTAR, new lathe for M/C Sho , 20 new osciJIoscopes for 1st year courses. Chemical Engineering ( $15K) - new IBM 386's for Process Control and Simulation Centre. Civil Engineering ( $37K ) - upgrade concrete test unit, upgrading of Fluids lab, new equipment for Water Resources labs, upgrading of Civ undergrad computing lab. Electrical and Compu ter Engineering ( $32K) - purchase of 3 new SUN SPARC workstations for CAD, VLSI
coming March 12
Volunteers needed to do tours
Each tour is 112 an hour
$8 for your time Interested students should contact
the 1 st Year Engineering office.
and software systems design work. Geological Engineering ( $6K) - data acquisition equipment and measuring devices used in Civ 2nd and 3rd year courses and Geo 4th year courses Management Sciences ( $19K )upgrade of computer facilities, and creation of a Management of Technology MACLAB.
M"ectianfcal Enlineedna ($ 67K ) -new equipment for courses in heat transfer, materials science and CIM, upgrading of Mcch. Eng. WA TST AR system, acquisition of 90ftware {or metal casting processes and synth sis, and replacement of 21 yrs old oscilloscopes. Systems Dcsi~n En~ineerin~ ( $36K) -replacement of digital/analog lab workstations ( with NEXTs ) for data acquisition, signal analysis, circuits and controls.
THE t:;ij CAMPUS
SHOP
In the Campus Centre Mall T-shirts Leather Jackets Rugby Shirts Gym Shorts Sweat Shirts Sweat Pants Nylon Jackets Turtle Necks All crested and no-crested items available
in a variety of c%urs and sizes.
Open' Every Weekday 9:00 am - 5:00 pm
The Campus Shop - another Federation of Students service
Page 9
Page 10 Iron Warrior March 1, 1991
Concert. Review Dan Wall 4B Systems
Bruce Cockburn; with his buck teeth, wire rimmed glasses and gentle smile, could be your big brother or your favourite Uncle. He looks like a typical Canadian folk singer. However, if you think that Bruce is typical in any way, you're judging a book by it's cover. Expecting Bruce Cockburn to be a typical folk singer is like reading a dustjacketless Stephen King novel and expecting a mildly exciting story: you're in for a surprise.
The 8pm concert on Wednesday, February 13, in the Humanities theater at the University of Waterloo was no exception. The crowd was undoubtedly expecting to see Bruce all fired up about the Persian Gulf and other current political events. Instead, he presented a slick, .Andreas
Vollenweider/New Age-type show that was a refreshing change from his past sarcasm-laced performances. At the same time, this "new" Bruce was a little unsettling; one couldn't help wondering if commercialism had found yet another victim.
Backed by piartist John Goldsmith, Bruce used 3 guitars, a harmonica and (foot-activated) chimes to fill 2 hours with flowing rhythms, melodies and harmonies. The absence of a major percussive instrument gave the music a rolling, continuous texture. Bruce has never been accused of having an outstanding vocal range but his smooth, tired sounding voice perfectly complemented the sedative feel of his songs.
To some, it is unfortunate that Bruce might now be classified as a New Age or Politi-pop Singer. His folk roots, while evident in his lyrics and vocal stylp ~re now hidden by generous
'Ij-{f£ f£9{.fj 19{.f£f£:/U9{.(j S:J{01('I S'IO~ C09{.PES'I
• Stories should be from 2000 to 8000 words ,
• Stories should be typewritten, printed, or submitted on disk (IBM or Mac)
• The winning story will be printed in the Iron Warrior -
• Deadline: 9:30 am, Monday, March 4 r PRIZES ""
(In UW Bookstore Certificates)
First Place: $ 75 Second Place: $50 Third Place: $ 25
"- ~
For further information, see the Arts Board
doses of technical wizardry which give haunting wails and funky chops to his latest songs. This change in musical direction was affirmed on Wednesday night, when the real light show was not the pale, backlit hues behind the curtains but the blinking, bopping LED's on the guitar interface panel.
Given UW's eclectic mix of hardcore engineering and arts students, one might have expected a mixed reaction to the technOlogy-laden sound production. However, the audience felt no ambivalence and cheered enthusiastically before and after alI the songs. The crowd's approval of Bruce's style was confirmed as they applauded enough to get him out for 2 encores.
Since he was not touring in support of any recently released album, Bruce was able to choose a wide range of selections from his early folksy days and his more recent pop ballads. As well, he sang 4 new songs that will appear on his next album. They all sounded similar to songs from Big Circumstance with clever lyrics, and catchy melodies.
Bruce opened with If A Tree Falls. At the start of the song, he sounded a bit forced and you got the feeling that Bruce had sung this song one too many times (he has probably played it at every concert since it was released).
There wer,e uncomfortable breaks in the lyrics where the song's deadness shone through. Towards the end of the song though, Bruce's voice picked up and the crowd knew that everything would be alright for the rest of the night.
The best received song of the night was Mama Just Wants to Barrelhouse. Bruce gave this old blues tune a workout with his harmonica and a growling voice while the crowd assisted with clapping and bar-room shouts. John Goldsmith's piano solo completed the song as a memorable event. While a classic blues feel dominated the song, the piano's lightly synthesized tones were more
. proof of Bruce's inclination toward high-tech production.
In retrospect, the concert gave the audience an opportunity to see yet another side of Bruce's musical persona. The bitter, sarcastic poet/songwriter was, for this concert anyway, shelved away and replaced with a much more likeable, laidback "performer". Perhaps Bruce's current outlook on life is best summed up by the chorus of his new freewheeling song, Child Of The Wind:
I'm too old for the term But I'll use it anyway I'11 be a child of the wind Till the end of my days
Sculpture Results We got a total of 4 responses to this contest. The two best sculptures were
the two people standing between El and SCH followed closely by the boar in ML. Judged by far the worst sculpture is the collection of metal in the CPH courtyard. The following table gives the best submitted names for the sculpture in order of rank from bad to worst.
Sculpture Between El and SCH MLfoyer between C2 and MC ByMC HH courtyard CPH courtyard
Name Hands up! (Can you imagine a. week?) Living High on the Hog Student's Nest Egg CS (Crumpled Sheetmetal) Shrimp Fork Drunken Welder
We would like to congratulate Brew '92 and a collection of 4B students for each coming up with two "best" titles each while Bryan Feir and Kara Jolyn Ballandies each had one "best" title. Thank you to everyone who submitted names and ranks.
March 1, 1991 Iron Warrior
Eng Quiz Paul Fieguth 4B Electrical
Ok, the quiz last time got a little brutal. This week's quiz involves essentially no calculations (at least beyond that which you can do in your head). Hope some of you find this more appealing than my tougher problems:
1. What is the average number of legs for human beings. (That's right, that's the question).
2. You take a typical book and open it to a page completely at random. Is the probability of opening the book to an even numbered page the same or different than to an odd numbered page?
3. A level (as most of you hopefully know), is a bubble in a fluid filled column that can be used to measure the horizontality or verticality (those are real words) of a surface. If a level is taken and accelerated (as shown in figure 1), how will the bubble move with respect to the liquid column?
4. A certain concentration of oleic acid (which is a clear liquid) can be prepared which has the identical refractive index as glass. As such, when glass is placed in the liquid, it becomes invisible. However in an experiment, when a test tube was placed into the acid, it remained clearly visible - what was the error in the experiment?
5. How many solutions are there to the following well known problem: a man leaves his cabin, walks one mile south, one mile east, one mile north, and ends up back at his cabin. Where is he?
Bubble Water
Wooden Support
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Good Eats!
These recipes were taken from MoreNo-Mare-Than-4-Ingredien t Recipes by Joy Douglas published by Doubleday Canada.
Fruit Meat Loaf
1-1/2Ibs 1.5 kg ground beef 3/4rup 175 ml fine bread crumbs 3/4rup 175 ml applesauce 61bsp 90 ml catsup
In a large bowl, combine all ingredients. Mix lightly with fork and form into a 6-inch (15 em) square in a greased baking pan. Bake in a preheated 350 deg. F (180 deg. C) oven for about 50 minutes. Serves 6.
Without the applesauce you havc normal meat loaf.
Page 11
Baked Mushrooms
lIb SOOg fresh mushrooms, cleaned and sliced
2 cups 500ml small soft French breadcubcs
l/3cup 75ml melted butter 1/3 cup 75ml chicken stock or
broth
Butter a 1-1/2 qt (1.5 L) casserole dish and add about one-third of the mushrooms. Sprinkle them with onethird of the bread cubes; drizzle with one-third of the melted butter. Sprinkle lightly with salt and pepper. Repeat layers once; set remaining bread cubes and butter aside. Top casserole with remainder of the mushrooms and sprinkling of salt and pepper. Pour chicken broth over all. Cover and bake in preheated 350 deg. F (180 deg. C) oven for 20 minutes. Combine rcmaining bread cubes and butter and sprinkle over top of mushroom mixture. Bake an additional 10 minutes, uncovered. Serves 6.
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Page 12 Iron Warrior March 1, 1991
y Pay More? Support YOUR University!
Use the ON CAMPUS Photocopying, Bindery and Typesetting facilities
Cash Copy Centre Locations Engineering - E2 2353
Math and Computer - MC 5182 Both Libraries - LIB 218 and DC 1501
PLUS colour copying in Dana Porter Library - LIB 218
Photocopying /'
• We serve at 7 ¢ per copy (plus PST), discount on volume copying. Collating, stapling and a variety of paper colours available at no extra cost (see the list of locations below)
• Self serve copying at 5¢ per copy (available in the libraries and various locations on campus)
• Venda card copiers are located in the Dana Porter and Davis Centre Libraries
Plastic Ring Binding Same day service available at Graphic Services, hours 8:00 am-4:30 pm
Copy Centre Locations Dana Porter Library - LIB 218, ext. 2956 Math Centre - MC 5182, ext. 2335 Engineering - E2 2353, ext. 2334 Arts Centre - HH 370, ext. 2336 Davis Centre Library - DC 1501, ext. 3878
High Resolution Typesetting For high quality output try our Linotronic 300 Imagesetter (1270 dpi) or our
T W La r Prin ~r (600 dpi) .
We, can typeset any computer file in PostScript format from a Mac diskette 5.25 inch PC diskette (low density only) 3.5 inch PC diskette SCRIPT on CMS TROFF on UNIX.
We can translate your PC file to our Mac and format into brochures, books, reports and flyers, etc.
For more information about typesetting located in GSC, call ext. 6324 or 5169.
Offset Printing Graphic Services, hours 8:00 am-4:30 pm
General information, call ext. 3451.
Graphic Services . . General Services Complex .