Hypersonic Missiles Are Unstoppable. And They’re Starting a New Global Arms Race. The new weapons — which could travel at more than 15 times the speed of sound with terrifying accuracy — threaten to change the nature of warfare. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:London Mayor Seeks Revival of Public Drinking FountainsGlobal Health: ‘Opiophobia’ Has Left Africa in AgonyHunt Elephants to Save Them? Some Countries See No Other ChoiceTrilobites: How Dwarf Mongooses Respond to New ImmigrantsQ&A: The Mystery of a Scorpion’s GlowMatt Damon's Martian farm could soon be reality as SPACE WORMS are born in Netherlands lab