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 Aerogel and how it reacts with water When He Pours Molten Aluminum Into A Tank Of Water Balls, The Coolest Thing Happens… Amazing Mirror & Air Experiment Which Duct Tape Brand Is Better? Fire From Anti-Freeze? Cool Experiment Carbon fibre is insanely strong…until you…