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 Making Ice By Boiling Water – Wait…WhaT? Edible Water “Bottle” What Happens When You Drop A Super-Hot Ball Of Nickel Into Honey? Crushing a Car with the Domino Effect Switching the Track Experiment – Would You Switch the Track? Scientists Put the Brain of a Worm Into a Robot… and It Moved !