Archive: 11/26/2010

Ex-UN climate chief: Cancun won't bring success

(AP) -- The former U.N. climate chief says he doesn't expect the upcoming summit in Cancun, Mexico, to produce big results and is encouraging delegates to focus on reaching small goals rather trying to secure a major treaty.

Nov 26, 2010 1 / 5 (2) 2

Powerful LED flash for smartphones

Researchers from Osram Opto Semiconductors have developed an LED chip that makes it possible to offer smaller pocket projectors, vehicle headlights, and cell phone camera flashes. In combination with a new ...

Nov 26, 2010 4.7 / 5 (6) 3

Extreme lasers at work

Under extremely intense illumination materials may exhibit so-called nonlinear optical properties such as ceasing to absorb light beyond a certain brightness, or becoming highly ionized. Yasumasa Hikosaka, ...

Nov 26, 2010 4 / 5 (4) 1