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 Pulling a Car with a Paper Towel Rope Liquid Nitrogen Bottle Rockets How Many Strips of Packing Tape Does It Take To Lift A Car? Spinning-up a golf ball using only compressed air and your hand Watch These 10 Amazing Tricks You Can Do With Fire The Leidenfrost Effect – Maze