A ball of glass will bounce higher than a ball made of rubber.
73
Each day, up to 150 species of life become extinct.
-23
A cesium atom in an atomic clock beats over nine billion times a second.
43
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Balsa wood is classified as a hard wood!
41
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7