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 How to Defuse a Shaken Soda Can Wind tunnel testing shows old methods still work Another Non-Newtonian Liquid Experiment Laminar Flow Nozzle Is Cool To Watch Breaking a Vacuum Chamber Under Water Carnival Scam Science and How To Win