You can do a lot with liquid nitrogen, including freeze and shatter gummy bears, make homemade Dippin’ Dots, and scare the crap out of your friends by dipping your hand in it! If you can’t get your hands on any, you can even make it yourself. Or, if you want to try something a little more destructive, you can use it to make an explosion and send 1,500 ping pong balls flying.
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Some lucky students in Dr. Roy Lowry’s class at Plymouth University got to see one of the coolest class experiments ever when he turned a trash can into a liquid nitrogen bomb. He started by pouring a few gallons… more

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