One cubic foot of gold weighs more than 1,200 pounds!
78
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Aluminum used to be more valuable than gold!
84
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Sound travels fifteen times faster through steel than through air.
134
Hot water can freeze faster than cold water.
181
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75