Everything from airplanes to air conditioning...where would we be without these inventors...
From the article:
On October 6, 1942, inventor Chester Carlson patented xerography, the process that led to the development of modern photocopying machines. Ever since Benjamin Franklin invented the lightning rod and bifocal lenses, Americans have been busy coming up with one amazing idea after another. The London Times once wrote that “the American invents as the Greek sculpted and the Italian painted. It is genius.” Here are just a few of the many American inventions that have changed billions of lives.