A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
The earth is approx. 6,588,000,000,000,000,000 tons.
175
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199