The problem with forced-air heating is that as it gives (heat), it also takes away (humidity). The result: chapped lips, parched furniture, and lots of static electricity. So why not add moisture back at the source? The Humidifier Register replaces your floor-vent cover; fill it with water periodically and it sends moist warm air into the room when the furnace kicks in. Price: $15.
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.


Online Content Director: Suzanne LaBarre | Email
Senior Editor: Paul Adams | Email
Associate Editor: Dan Nosowitz | Email
Assistant Editor: Colin Lecher | Email
Assistant Editor: Rose Pastore | Email
Contributing Writers:
Rebecca Boyle | Email
Kelsey D. Atherton | Email
Francie Diep | Email
Shaunacy Ferro | Email