Sound travels fifteen times faster through steel than through air.
134
Liquid TIDE laundry detergent glows under a blacklight.
96
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The force of a suction cup is calculated using F=AP.
15
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One barrel of petroleum holds 42 gallons.
20
The earth is approx. 6,588,000,000,000,000,000 tons.
175