Diamonds can be shattered with a hammer.
-104
Sound travels fifteen times faster through steel than through air.
134
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A cubic yard of air weighs about 2 pounds at sea level.
31
Liquid TIDE laundry detergent glows under a blacklight.
96
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The force of a suction cup is calculated using F=AP.
15