Andrew Davey, a 13-year-old who lives in Knaphill, Surrey, UK has created a search engine website that can help people save energy. Andrew got the idea from a Mark Ontkush, who concluded that an all-white web page uses 74 watts of energy compared to 59W from an all-black webpage. Therefore changing from using a white web page to a black one would save up to 15W every time it’s displayed.

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