Kevin shows Grant how quantum levitation works with magnets and superconductive material. They play with the materials before creating their visionary slot car toy. | www.sciencechannel.com/tv-shows/what-could-possibly-go-wrong Watch full episodes: bit.ly/WCPGWFullEps Subscribe to Science Channel: www.youtube.com/subscription_center?add_user=sciencechannel Check out SCI2 for infinitely awesome science videos. Every day. bit.ly/SCI2YT Download the TestTube app: testu.be/1ndmmMq