A boat is copying the tech behind a super-fast Russian torpedo by riding a foam tunnel through the water.
원문출처 : http://edition.cnn.com/2015/02/05/tech/ghost-boat-supercavitation/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/02/05/tech/ghost-boat-supercavitation/index.html?eref=edition