The force of a suction cup is calculated using F=AP.
15
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Sound travels about 4 times faster in water than in air.
408
Nylon is made from coal and petroleum.
42
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The bark of an older redwood tree is fireproof.
65