By Stephen Chen -<br><br>China has moved a step closer to creating a supersonic submarine that could travel from Shanghai to San Francisco in less than two hours.<br><br>New technology developed by a team of scientists at Harbin Institute of Technology's Complex Flow and Heat Transfer Lab has made it easier for a submarine, or torpedo, to travel at extremely high speeds underwater.<br><br><a href="http://www.scmp.com/news/china/article/1580226/shanghai-san-francisco-100-minutes-chinese-supersonic-submarine">READ MORE ON SOUTH CHINA MORNING POST</a>
