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 10 Quirky Science Stunts Ball Thrown 100 km/h From A Truck Moving 100 km/h Will A Leaky Airplane Toilet Lead To A Deadly Ice Chunk? Liquid Sand Hot Tub Liquid Nitrogen in the face Can You Hear the Difference Between Cheap and Expensive Pianos?