It’s probably not a wise idea to soak a $20 bill in a flammable liquid and set it on fire, but that’s what you’ll have to do with this science demonstration. Sure, you could use just a $1 bill, but then you don’t sweat as much. There is a point to all of this burning… it’s the fact that to everyone’s amazement, paper money never actually burns (if you do it correctly). All of the heat energy is actually absorbed by the secret ingredient – water!

Read how to do the burning $20 bill science trick.