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The Seesaw and the Shoes 1945 Kyauta mara iyaka

The Seesaw and the Shoes 1945 Kyauta mara iyaka

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.

Lokacin gudu: 11 mintuna

Inganci: HD

Saki: May 05, 1945

Kasa: United States of America

Harshe: English

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