Spider silk joey rasich spring 2011
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Transcript of Spider silk joey rasich spring 2011
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Spider
By Joey Rasich
Silk
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Spider Silk is invincible• Double the strength of steel• Light weight• Stretchy• Tough• Biodegradeable
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Strongest silk is made by...• Darwin’s bark spider
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Spiders use silk domestically• Spider housing• Web construction• Defense• Capturing and detaining prey• Egg protection• Mobility.
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Humans would use silk... a lot. • Fabrics• Parachutes• Bullet proof vests• Nets• Airbags• Seat belts• Textiles• Ropes• Dressing wounds• Bait
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Different specialized silks have evolved with properties suitable for different uses
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Spider silk is composed of protein molecules
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Close up of spider silk
Proteins
Amino acids
Hydrogen bonds
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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
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ThankYou.