spider silk joey rasich spring 2011
TRANSCRIPT
Spider
By Joey Rasich
Silk
Spider Silk is invincible• Double the strength of steel• Light weight• Stretchy• Tough• Biodegradeable
Strongest silk is made by...• Darwin’s bark spider
Spiders use silk domestically• Spider housing• Web construction• Defense• Capturing and detaining prey• Egg protection• Mobility.
Humans would use silk... a lot. • Fabrics• Parachutes• Bullet proof vests• Nets• Airbags• Seat belts• Textiles• Ropes• Dressing wounds• Bait
Different specialized silks have evolved with properties suitable for different uses
Spider silk is composed of protein molecules
Close up of spider silk
Proteins
Amino acids
Hydrogen bonds
Hydrogen bonds
Fun fact:•70 people spent 4years collecting golden orb spiders from telephone poles in Madagascar
•80 feet of silk from each of the arachnids
•11X4 foot textile
Goats make spider milk too!
ThankYou.