Sound travels fifteen times faster through steel than through air.
134
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
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Sound at the right vibration can bore holes through a solid object.
134
Nylon is made from coal and petroleum.
42