Reuters Pictures
A 1974 handout file picture shows Bell Labs researchers Willard Boyle (L) and George Smith with the charge-coupled device, which transforms patterns of light into useful digital information. Canadian-American Boyle and Smith of the U.S. share one half of the 2009 physics Nobel prize with Charles Kao, a Shanghai-born British-American, for inventing the first successful imaging technology using a digital sensor, the award-winning committee announced on October 6, 2009.