There’s a new arms race brewing, and this one is destined to be very, very fast. Russian Deputy Prime Minister Dmitry Rogozin is calling for the development of a hypersonic long-range bomber to ensure Russia is not “falling behind the Americans.” He doesn’t want some subsonic or even supersonic analog to the American B-2, he says. Russia’s next bomber--slated for delivery by decade’s end--will move faster than Mach 5.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.