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Robot lifeguards hit the beach in time for summer

Just in time for the summer season, so-called robot lifeguards are hitting the beach on both coasts of the U.S. Full story

Image: Jerry McCulley
AP
Are laser-firing drones the weed killers of the future?

Swarms of robotic drones outfitted with solid-state lasers may be tomorrow’s environmentally-friendly weed killers, according to a team of German researchers.

Question of the day
More on Tech & ScienceTechnolog
Was Flame virus that invaded Iran's computer networks made in USA?

As the United Nations and Iran warn that the newly discovered flame computer virus may be the most potent weapon of its kind, U.S. computer security experts tell NBC News that the virus bears the hallmarks of a U.S.

US consumers do poor job of protecting PCs: report
TODAY Tech
United States 100-dollar bills (AFP - Getty Images)
AFP - Getty Images
Family robbed after teen posts photo of money on Facebook

On Thursday, a teenage girl posted a photo of a "large sum of cash" on Facebook. About seven hours later, two robbers arrived at her family's home. Unsurprisingly, this incident prompted local authorities to issue a warning about the dangers of posting photographs online.