Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
One barrel of petroleum holds 42 gallons.
20
Sound travels about 4 times faster in water than in air.
408
According to studies, men change their minds two to three times more often than women.
72
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44