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0answers
68 views

Are spiders an effective way to prevent moths from destroying old things? [closed]

In this video a woman with ancestry dating back ~700 years asserts that spiders are part of the reason that moths didn't eat the documents and clothing that have been storaged in a trunk for ...
7
votes
1answer
19k views

Did Canadian company HyperStealth invent an invisibility cloak?

This seemingly legitimate camouflage design company says it invented an invisibility cloak called Quantum Stealth that works by bending light "without cameras, batteries, lights or mirrors." ...
2
votes
0answers
321 views

Does HEATTECH heat-generating clothing work?

Uniqlo sells HEATTECH heat-generating clothing. Is this just a marketing gimmick or does this fabric generate heat as advertise?
21
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2answers
1k views

Is spider silk stronger than steel?

Source. "If you look in a spider web, if you just took one single strand of that spider silk, that strand is stronger than steel as well - a lot like Kevlar," said Mr Tucker Norton, a ballistics ...