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
Iron weighs more after it rusts.
16
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Most dust particles in your house are made from dead skin!
67
Billions of neutrinos pass unnoticed through your body every second.
6