If you recall the Nautilus
, Captain Nemo's submarine in 20,000 Leagues Under the Sea
, it was a very fast moving vessel. But we all know that water puts a huge drag on subs: in reality, high speed isn't possible underwater. Until now. New research is propelling secret torpedoes and other naval systems at hundreds of miles per hour. Steven Ashley reports in this article, which originally appeared in the May 2001 issue of Scientific American
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