Which famous nature-inspired product design was created after its inventor observed how water beaded and rolled off lotus leaves, carrying away dirt particles?

Product design inspired by nature (biomimicry) has revolutionized countless industries by solving human challenges through millions of years of evolutionary wisdom. From Velcro's hook-and-loop fasteners inspired by burdock burrs to self-cleaning surfaces mimicking lotus leaves, these innovations demonstrate how observing natural systems can lead to groundbreaking products. Test your knowledge about famous biomimicry designs that have transformed how we interact with our world!

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Lotusan self-cleaning paint by Sto Corp
Speedo Fastskin swimsuit inspired by sharkskin
WhalePower wind turbine blades modeled after humpback whale flippers
Shinkansen bullet train nose design inspired by kingfisher beaks