Pure water (H2O) does not conduct electricity on its own.
46
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
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Your brain is 80% water.
525
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65