The storage capacity of human brain exceeds 4 Terrabytes.
140
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
One 75-watt bulb gives more light than three 25-watt bulbs.
57
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55