The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Diamonds can be shattered with a hammer.
-104
The force of a suction cup is calculated using F=AP.
15
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16