![The Seesaw and the Shoes](https://image.tmdb.org/t/p/w342/zcWudAHxNzyorQD8Nt9BeA4UWoZ.jpg)
05 May 1945
![The Seesaw and the Shoes](https://image.tmdb.org/t/p/w342/zcWudAHxNzyorQD8Nt9BeA4UWoZ.jpg)
The Seesaw and the Shoes
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.