OSLO (Reuters) - Homes on the Arctic tip of Norway started getting power from the moon on Saturday via a unique subsea power station driven by the rise and fall of the tide. A tidal current in a sea channel near the town of Hammerfest, caused by the gravitational tug of the moon on the earth, started turning the 10-meter (33 ft) blades of a turbine bolted to the seabed to generate electricity for the local grid. The prototype looks like an underwater windmill and is expected to generate about 700,000 kilowatt hours of non-polluting energy a year, or...
