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How You Could Someday Get From China to San Fran in 100 Minutes

Supersonic vessel will fly through the water in air bubble, say researchers

(Newser) - Never heard of the term “supercavitation”? China’s about to school us all with its announcement that it’s making progress on a supersonic submarine that uses this technology, theoretically giving the underwater vessel the capability to zip along at the speed of sound, reports the South China ... More »

Navy Dolphins Make Amazing Torpedo Find

Discover rare 19th-century device; only 2 now in existence

(Newser) - The discovery itself is notable enough: Navy specialists found a rare torpedo off the San Diego coast, an 11-foot brass gem called the Howell that dates back 130 years or so and was one of the first torpedoes to propel itself, reports dvids . Only 50 were made, and only one... More »

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