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 45 layers of bulletproof glass shot with a RPG These tire blowouts are so dangerous they have to be kept in a cage 5 Crazy Science Stunts, You Won’t See At School Sand + Air = Liquid Nerf Bow Trick Shots – Satisfying to Watch Make a Tiny Flamethrower with Oranges