Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound travels about 4 times faster in water than in air.
408
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The storage capacity of human brain exceeds 4 Terrabytes.
140
The average home creates more pollution than does the average car.
33