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Solar cells are still very inefficient, but this is helping to chip away at that.

"Take a stroll in the sun because 1 hour out in that heat will power 3 hours of iPod playtime or 1.5 hours of cell phone talk time. Take it out as you head to the pool this summer and charge up your electronics. So, not only is this backpack cool and amazing but is also efficient with your energy usage and time."

"From the recent discovery of a species of wasp that enslave unsuspecting spiders to a new report from the United Nations that estimates a 500% growth over the next 10 years in computer waste in India alone, a lot has happened this week in green."