Pure water (H2O) does not conduct electricity on its own.
46
A cesium atom in an atomic clock beats over nine billion times a second.
43
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Most dust particles in your house come from dead skin.
48
A single speck of dust is half way in size between a subatomic particle and the Earth.
15