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Release date: 05/05/1945 
Popularity: 0 
Original language: EN 
Add to favoritesThe Seesaw and the Shoes
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Overview
This short shows how two objects led to important discoveries. Children playing with a seesaw inspire French physician Rene Laennec to invent the stethoscope, and a pair of shoes made of caoutchouc lead Charles Goodyear to discover the process for vulcanizing rubber.
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