Two atomic-scale studies announced in the past week could have major implications for the future of computing and information storage. Last Friday, IBM researchers in Zurich announced they had measured how long a single atom can store information. And Monday, Kiwi researchers announced they had trapped a single atom inside a tractor beam and taken its picture.
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.