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
Most dust particles in your house are made from dead skin!
67
The only letter not appearing on the Periodic Table is the letter "J".
180
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55