You may remember playing with the stretchy and colorful goo-like globs called silly putty when you were a kid. Putty
was actually invented by accident during World War II by James Wright, an engineer trying to come up with a cost-effective alternative to rubber for the U.S. military. He accidentally poured boric acid into silicone oil, creating the main ingredients of the the elastic toy we know today. However, the putty we know today wasn’t marketed as a fun pastime until Peter Hodgson
saw its potential as a toy and bought the production rights after it was rendered useless as the military’s rubber alternative.
One substance that is even more fun to experiment with than putty is magnetic putty. Magnetic putty has the same squishy texture as silly putty, but reacts with magnets in eye-catching ways. You can make your own magnetic putty with this simple and quick tutorial. Because this this experiment uses iron oxide powder it is meant for adult-use only and should not be done with small children.
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