What happens to dry ice in the microwave? Published by Dry ice is solid carbon dioxide. Have you ever wondered what would happen if you microwaved dry ice? Here’s your chance to find out, without risking your microwave! Published:November 26, 2014 Related videos The science of forging The Cubli: a cube that can jump up, balance, and ‘walk’ The World’s Smallest Robots: Rise of the Nanomachines