In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Sound travels fifteen times faster through steel than through air.
134
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
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