Sick of letting their mastery of calculus and classical mechanics go to waste, physicists in Australia and Hong Kong have figured out how to overcome the odds in roulette. You just have to know all the inputs -- preferably by tracking them with a digital camera -- and some differential equations.
Believe it or not, your robots may soon be lying to you. But you don’t have to take our word for it; Georgia Tech researchers, with funding from the Office of Naval Research, have been toying with algorithms that allow a robot to determine whether or not it wishes to deceive another robot or human, and then to carry out a deceptive strategy to that end.
Groups of friends and strangers spent more than a month preparing for perhaps the greatest social networking competition in history. All wanted to be the first to find 10 red weather balloons scattered across the continental U.S. on December 5, and claim a $40,000 prize from the Pentagon's DARPA agency.
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.