Sound travels fifteen times faster through steel than through air.
134
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
The force of a suction cup is calculated using F=AP.
15
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
One barrel of petroleum holds 42 gallons.
20
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20