Rating
0%
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Release Date
05 May, 1945
Runtime
00:11: (HH:MM)
Synopsis
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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