It’s perfectly understandable why commercial shipping vessels are prohibited from carrying arms in international waters. But when it comes to dealing with the threat of piracy, battles that pit water hoses against small arms and RPGs are decidedly one sided. So Japanese companies MTI and Yokoi have teamed to create what they call the “Anti-Piracy Curtain,” a system that makes it difficult--and quite intimidating--for anyone to board a ship without the consent of a crew.
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.