In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
A ball of glass will bounce higher than a ball made of rubber.
73
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Cold water weighs more than hot water.
93
Iron weighs more after it rusts.
68