Cup That Holds Water but Can’t Hold Mercury Interesting look at a lead cup that can old water but is porous to mercury. This reminds me of the Superfluid Helium: Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts The University of Edinburgh’s Flowave pool creating some really interesting waves Nerf Bow Trick Shots – Satisfying to Watch Liquid Nitrogen in the face Liquid Nitrogen Bottle Rockets A Weird New Supercooled Material Crystallizes and Glows When Touched Tire Ski Jumping from Japan