In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
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
One cubic foot of gold weighs more than 1,200 pounds!
78
One 75-watt bulb gives more light than three 25-watt bulbs.
57
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
If the chemical sodium is dropped into water it will immediately and violently explode.
67
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20