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 Beautiful Chemical Reactions Another Look at Magnetic Levitation Weird – Cockroach Leg Stimulated With Music Watch How Uranium Emit Radiation Inside a Cloud Chamber Sports Science – Boxer vs Snake – Who Is Faster ? Super-strong Neodymium Magnets Destroying Objects