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 Ever Wondered What a Hot Ball of Nickel Does to Ice? Two Vortex Rings Colliding Waves on a Chain Which Seems to Walk on It’s Own Soccer Ball Shot from Truck, Interesting Result Making Ice By Boiling Water – Wait…WhaT? Man Reverse Engineers A Material Which Has Been Lost