A new thermostat designed by the brains behind the iPod promises to save money by learning your household habits, encouraging energy efficiency while looking snazzy on the wall. The Nest looks like a 21st century version of the circular Honeywell heat controls many people grew up with, and it promises a modern, simple solution for lowering utility bills.
Using one of the most clever names in tech history, Microsoft has announced Hohm (which telescopes home into ohm), a new Web-based service for keeping an eye on your smart grid. The beta for the service goes live next week; users can sign up to access the service at microsoft-hohm.com.
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.