Saturday, March 21, 2009
Monday, March 2, 2009
Nuclear Bomb Powered Spacecraft
I have read at least two science-fiction novels that featured the concept of spacecraft powered by nuclear explosions, but this is the first scientific paper that I have seen discuss the idea, full version can be seen here at Next Big Future.
Who Owns More Cars than Anyone Else in the World?
It's not the Americans, as most would think, we are not even close. Turns out to be the people of Luxembourg, owning 647 cars for every 1000 people. The USA comes in 16th at about 460 per thousand. See the original story here at the Economist.com.
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