0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Iron weighs more after it rusts.
16
The average home creates more pollution than does the average car.
33
Most dust particles in your house are made from dead skin!
67
One third of the electricity produced on earth is used to power electric light bulbs!
75
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39