July 5, 2008

QOTD:

“ Today’s airships fly with helium, as did the Hindenburg until the United States imposed an embargo on what was then a fairly valuable commodity. Hence, the Hindenburg had to start using inflammable hydrogen on its flights. By the time of the explosion, zeppelins had carried about 405,000 passengers across the Atlantic.
Why Fly When You Can Float? - NYTimes.com