![]() ![]() ![]() The display also included round copper balls that seemed to orbit around the edge similar to the way planets move. Inside this rim it performed Christopher Columbus's feat by spinning a copper egg, larger than an ostrich egg, in a rotating magnetic field causing it to stand on end on its major axis due to gyroscopic action. It presented the viewer with a flat round wooden surface surrounded by a wooden rim. With the fair celebrating the 400th anniversary of Christopher Columbus's arrival in the New World, the "Egg of Columbus" exhibit, building on the apocryphal 15th century story of the " Egg of Columbus" (where the explorer stood an egg on end by smashing its bottom), is described as going "one better" by using a magnetic field to stand an egg on end. ![]() Drawing from the 1919 ELECTRICAL EXPERIMENTER explaining Nikola Tesla's "Egg of Columbus" worked ![]()
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May 2023
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