A robotic swarm of "ring-wing" submarines could someday scout underwater locations for oil.
Engineers from GO Science, an engineering firm specializing in aerodynamic robots, have struck a $10 million deal with an unnamed oil company. GO's ring-wing foil concept has applications for aerial vehicles as well, but the startup company has currently focused on undersea flyers.
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.