Technology | green 'Green' Gizmos You Don't Need These gizmos won't improve the world By Kevin Spak Posted Dec 12, 2009 9:09 AM CST Copied Behold the energy curtain. It soaks up solar power, then glows at night for free lighting! One catch: it needs to be down to collect energy, so you'll need to use electric lights all day. See 4 more photos Sure, we’re all trying to save energy and help the environment, but some of the “green” gadgets out there are just plain stupid. Here are some of the worst offenders—wind-up razors, energy monitors that Tweet, etc.—via the Business Insider. Read These Next Trump commutes sentence of George Santos. Andrew is still a prince, but he's no longer a duke. Author of bestselling memoir about depression dies at 35. English tests pull thousands of truckers off the road. Report an error