Enjoy the Satisfaction of Styrofoam Getting Cut with a Hot Knife
YouTube channel Watch It Melt has some really interesting gems of melting compilations. However, there's something soothing about this one.
A heated knife cuts through room-temperature styrofoam like it's nothing. The styrofoam shrinks back upon contact with the blade.
You can even watch the whole video in reverse here.
Via Watch It Melt