In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The sun is 330,330 times larger than the earth.
75
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
According to studies, men change their minds two to three times more often than women.
72
Diamonds can be shattered with a hammer.
-104
Sound travels about 4 times faster in water than in air.
408