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The Seesaw and the Shoes 1945 Ukufikelela simahla

The Seesaw and the Shoes 1945 Ukufikelela simahla

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.

Ixesha lokubaleka: 11 imizuzu

Umgangatho: HD

Ukukhululwa: May 05, 1945

Ilizwe: United States of America

Ulwimi: English

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