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 Can You Stand On Liquid Mercury? Watch What Happens When You Fire A Cannon Ball At 60 MPH Out Of A Truck Traveling 60 MPH Taser Impacts on Bare Skin at 28,000fps These Colorful Liquid Droplets Chase Each Other Like Living Organisms When He Pours Molten Aluminum Into A Tank Of Water Balls, The Coolest Thing Happens… Turtles or Snakes – Which Do Cars Hit More ?