Transphorm, a California start-up, has developed a power conversion device based on gallium nitride that it says can cut energy waste by 90%. Now, 10% of the electricity generated is lost converting it from AC to direct current and back. If the device works, 300 coal plants could go off grid. GR

CITY TECH BLOG
Wind Power: Environment’s Gift By City Tech Blogger Eusebe Pierre Louis
Wind power is one of the greatest renewable ways of producing electricity as no toxic emissions are generated, it does not attach to global warming, and is one of the most obtainable sources of sustainable energy. Also, hypothetically it is a limitless source of energy. In adequately windy