Thomas Edison Didn’t Give Up

Thomas Edison invented the light bulb, the record player, movie-making equipment, and lots of other things, too. But, he made plenty of mistakes. For every great discovery that worked, he made hundreds of things that didn’t work. But, he didn’t give up.Thomas Edison...

Silly Putty: A Silly Success Story

As an invention, it didn’t work. As a toy, it did. It happened like this. In the 1940s, scientists invented a funny-feeling substance that bounced, stretched, and lifted pictures off of newspapers. The stuff was fun to play with, but the scientists couldn’t...