BAE System’s Mk 38 chain gun was already a formidable opponent: a 250millimeter cannon capable of putting 180 rounds per minute into the air from the deck of a naval ship, strongly urging those without clearance to keep a safe distance (of about 2,000 yards). But in a tip of the hat toward what the U.S. Navy considers the future of shipboard defense, BAE and Boeing have teamed up to accessorize the Mk 38 with a laser death ray. You know, just in case.
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.