Chinese develop super-fast submarine to ‘fly’ through water in an ‘air bubble’

Researchers at the Harbin Institute of Technology in northeast China tell the South China Morning Post that they're hard at work on a submarine that the newspaper claims could travel the 6100 miles (9820 kilometres) from "Shanghai to San Francisco in 100 minutes" by creating a bubble of air that encompasses the whole submarine, ejecting gas through the nose with enough force that it forms water vapor. This greatly reduces drag and allows it to travel at high speeds not possible by… (www.smh.com.au) Mais...