summery:
scientists tested shark skin and found that it not only reduces drag but actually creates thrust. to test it they had to see how sharks move and make a robot to mimic its movments and get freash shark skin and put it in a flow tank and seeing how fast it goes. they then tested its speed to other materials to see how it compared and the shark skins where 12.3% faster than the others tested.
critique:
thought it was cool because i never thought skin could actualy generate trust.
impact:
could be used to mmake new matirials that also generate trust
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