In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Most dust particles in your house are made from dead skin!
67
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65