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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The earth is approx. 6,588,000,000,000,000,000 tons.
175
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
According to studies, men change their minds two to three times more often than women.
72