According to studies, men change their minds two to three times more often than women.
72
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
A cubic yard of air weighs about 2 pounds at sea level.
31
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
A cesium atom in an atomic clock beats over nine billion times a second.
43
The force of a suction cup is calculated using F=AP.
15
Indoor pollution is 10 times more toxic than outdoor pollution.
62
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5