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:Trilobites: This Fungus Borrowed From Ancient Bacteria to Defy GravityNew C.D.C. Director’s $375,000 Salary Under ScrutinyApril full moon 2018: When is the Pink Moon and what is the best time to see it?Milky Way MAPPED: Gaia telescope releases largest ever 3D model of the galaxyMatter: Hints of Human Evolution in Chimpanzees That Endure a Savanna’s HeatChina edging closer to US with plans to move WARSHIPS to new volcanic island base