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.
They're both supremely talented and fashionable and finally on our screens this month, but which of the two talent show judges has the style \"x factor\"? Nicole Scherzinger or Paula Abdul.