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
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Aluminum used to be more valuable than gold!
84
Hot water can freeze faster than cold water.
181
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18