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 Iran's new supreme leader is said to already have war wounds. One critical island in Iran has remained unscathed in airstrikes. Another administration official apparently moves to a military base. Warning to Trump on Iran: Don't 'get eliminated yourself.' Report an error