A Japanese construction firm drew up plans for a 6,800-mile solar belt around the Moon that would beam continuous power to Earth without fuel or emissions. In 2011, a Japanese construction giant quietly proposed wrapping the Moon’s equator in a belt of solar panels stretching 6,800 miles. The Luna Ring concept drew little notice at first. Then the Fukushima Daiichi nuclear disaster struck in March of th... [4979 chars]