How to Make a Spooky Levitating Pumpkin Using a Superconductor Magnet and Dry Ice

In honor of Halloween, The Royal Institution has created a spooky levitating mini-pumpkin by hollowing out the gourd’s innards and adding dry ice and a superconductor magnet. Placed on a magnetic track, the little jack-o’-lantern floats around with ease.

submitted via Laughing Squid Tips