The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Nearly 50% of the world's scientists are assigned to military projects.
71
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The average home creates more pollution than does the average car.
33
The storage capacity of human brain exceeds 4 Terrabytes.
140
In zero gravity, a candle's flame is round and blue.
16