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 Non-Newtonian Fluid – Kill It With Fire ! Footage Of Russian Experiment Shows Dog ‘Breathing’ Underwater Goldfish Frozen In Liquid Nitrogen and Then Revived! Which Caliber Can Bust Open a Lock? The Power of The Mini Arc Furnace The Greatest Failed Experiment Ever