Wacky WorldInventions
Swiss engineer George de Mestral examined burdock burrs under a microscope after a walk and saw tiny hooks. He developed hook-and-loop fastening and patented it in the 1950s.
Wacky WorldInventions
Swiss engineer George de Mestral examined burdock burrs under a microscope after a walk and saw tiny hooks. He developed hook-and-loop fastening and patented it in the 1950s.