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 What happens if you fill a Balloon with Liquid Nitrogen? Dumbest Possible Way To Try To Remove A Car Engine See the Air Move with This Cool Device This is what happens when you introduce metallic putty to powerful magnets What If Everyone On Earth Jumped At The Same Time? What Happens When You Try to Skydive With an Umbrella?