A cesium atom in an atomic clock beats over nine billion times a second.
43
A ball of glass will bounce higher than a ball made of rubber.
73
A cubic yard of air weighs about 2 pounds at sea level.
31
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
No matter how cold it gets, gasoline will not freeze.
107
Sound travels about 4 times faster in water than in air.
408
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57