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 Magnetic Antigravity Path, Induction Falling Coins Don’t Pour Molten Aluminum on Ice Another Look at Magnetic Levitation How Many Rubber Bands Does It Take To Lift a Car ? The difference between Gas, Ethanol, E85, and Kerosene 3 of the Biggest Experiments Ever