Sometimes the best inventions just grab you and stick with you. In 1941, Swiss engineer George de Mestral went on a hunting trip in the Alps with his dog. Upon returning home, he noticed that his four-legged friend’s...
We’re no strangers to gears. They appear in mechanisms dating back before the common era and continue to be used in modern machines. Everything from clocks (including the Long Now variety) to cars to Santa’s Workshop...