In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
In zero gravity, a candle's flame is round and blue.
16
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Iron weighs more after it rusts.
68
Nearly 50% of the world's scientists are assigned to military projects.
71
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Pumice is the only rock that floats on water.
14