"Cap-Drop" Approach Implements Offline Power Supply for Light Loads
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Advances in supercapacitors are delivering better-than-ever energy-storage options. In some cases, they can compete against more-popular batteries.
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The prototype solar panel converts 241 of the sunlight that hits it into electricity making it vastly more efficient than conventional solar cells which are usually between 15 and 18 efficient Image courtesy of coniferconifer Flickr
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