A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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 average temperature at 40,000 feet above sea level is -60 F.
56
A cesium atom in an atomic clock beats over nine billion times a second.
43
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Iron weighs more after it rusts.
68
A 'jiffy' is an actual unit of time for 1/100th of a second!
66