There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
One cubic foot of gold weighs more than 1,200 pounds!
78
The only letter not appearing on the Periodic Table is the letter "J".
180
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
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