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
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Balsa wood is classified as a hard wood!
41
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5