Low carbon enthusiasts are promoting the idea of airships. But there is a sound reason why this form of travel was abandoned, other than the a few famous accidents.
Oh, the stupid, it burns. Helium shortage threatens time-honored Nebraska tradition | Dr. Saturday – Yahoo! Sports http://sports.yahoo.com/blogs/ncaaf-dr-saturday/helium-shortage-threatens-time-honored-nebraska-tradition-152527242–ncaaf.html Face palm! Unfortunately, there’s this nagging little detail about the noble gas, Helium, one of the most stable and chemically inert elements there is.