Astronomers think there are about half a million asteroids the size this one near Earth, NASA said, but less than one percent have been detected.

CNN: STORY HIGHLIGHTS

To further reduce power consumption, a "no source detected" mode automatically lowers brightness to 30 percent when no display has been detected for more than three minutes.

ENGADGET: BenQ unveils two 1080p 3D projectors at CES HD

While the tax agency has detected a 40 percent increase this year in all kinds of tax fraud, including black money, officials say Spain wants a smooth transition to the euro.

CNN: Black money: Spain's 'euro effect'