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 Shirtless Heat Loss Experiment In Freezing Conditions The Coke Bottle Gatling Scientists Put the Brain of a Worm Into a Robot… and It Moved ! Levitating Superconductor on a Möbius Strip 7 Most Bizarre Experiments Of All Time A pound of sodium metal in the river