Architects in Sydney, Australia have found a way to light up a part of the city that was once perpetually dark, hidden from the sun by tall buildings. They've done it by capturing the sunshine, and bouncing it between buildings with an architectural device called a heliostat. Lester Ranby reports.
Rihanna On Battleship and Ashton Rumors!
With the release of alien-naval combat film \"Battleship\", Rihanna answers a few questions on tackling her first film role and weapons training - just don't ask if she's dating Ashton Kutcher!