direct current

Wed
23
Jul
John Lister's picture

Google $1M Contest to Make Solar, Wind More Practical

Google is teaming up with the Institute of Electrical and Electronics Engineers to try to make " green energy " more practical. It's running a million dollar contest called " Little Box Challenge " to try and reduce the size of a key component in ... bringing renewable power to homes and businesses. The competition is based around the fact that electricity comes in two forms: alternating current (AC), and direct current (DC). Alternating power is used in homes and offices, with its flow of electrical charge changing direction continuously. On the other hand, direct current ... (view more)

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