smartphones in physics and engineering education dr. shakur “doc” taylor sinatra
TRANSCRIPT
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Smartphones in Physics and Engineering Education
Dr. Shakur “Doc”Taylor Sinatra
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And the $1 Billion Winner is …
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Smart … Very Smart!
• Compelling piece of technology• Microprocessor and Operating System• Haptic System (Touchscreen)• Array of sensors included• Three-axis accelerometer• Gyroscope• Gaussmeter (Magnetometer)• TRRS Headphone input / output• Microphones• Speakers
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Monkey See … Monkey Do!
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Gotcha!
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Antisymmetric Tracks … and the winner is?
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Symmetry-breaking in Classical Physics
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Atwood’s Machine
• Measure gravity by “slowing it down”
• Measured by hanging two slightly different masses and reading the acceleration
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Atwood’s Machine
• Smartphone is placed in a plastic bag
• App measures the acceleration
• Data compared to theory
• 99% accurate
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Acceleration App
• Today is your lucky day!
• Everybody in the audience gets it FREE!
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Centripetal Acceleration Lab
• The phone is placed on a turntable and the app is run
• a = mv2 /r
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20th Century 21st Century
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Frequency and Oscilloscope
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Android Bluetooth Remote for Lego Mindstorm NXT
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Quantum Mystery
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THE Book!
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MIT App Inventor
• App Inventor is Free• Simple pre-coded blocks make it relatively
easy to use
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Blocks Editor
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Future Exploration
• Smartphones have become indispensable• Ideas for future laboratories
– Oscilloscope and Signalscope App– Gaussmeter for magnetic fields– Gyroscope for angular speed
• Smartphones can reduce lab budget significantly• Students are excited about using smartphones
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Android Emulator on the PC
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Install App
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That’s All Folks …