And just like that, we’ve got a new candidate for the most distant object in the universe. It was only in January that Hubble data showed that the space telescope had glimpsed a galaxy so distant that it appeared as it did when the universe was only a few hundred million years old. Now a gamma-ray burst first spotted by NASA’s Swift satellite in April of 2009 could potentially replace it as the most distant object ever seen.
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.