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
The storage capacity of human brain exceeds 4 Terrabytes.
140
One barrel of petroleum holds 42 gallons.
20
4.5 pounds of sunlight strike the Earth each day.
27
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
For every gallon of sea water, you get more than a quarter pound of salt.
45