Name: Watch The Seesaw and the Shoes
Uploaded: 1945-05-05
Duration: 11 min
Description: 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 proc

The Seesaw and the Shoes

Watch The Seesaw and the Shoes | Where To Watch