If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
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
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
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Cold water weighs more than hot water.
93