News tagged with radio signals

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Many fliers refuse to turn off electronic gadgets

Gadget-dependent fliers are turning a deaf ear to flight attendants' instructions to turn off their devices during takeoff and landing, despite decades of government warnings, a USA TODAY investigation shows.

dateDec 23, 2011 in Other
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City lights could reveal E.T. civilization

In the search for extraterrestrial intelligence, astronomers have hunted for radio signals and ultra-short laser pulses. In a new paper, Avi Loeb (Harvard-Smithsonian Center for Astrophysics) and Edwin Turner ...

dateNov 03, 2011 in Astronomy
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Dawn beams back asteroid science data

(PhysOrg.com) -- The Dawn spacecraft has completed a graceful spiral into the first of four planned science orbits during the spacecraft's yearlong visit to Vesta. The spacecraft started taking detailed observations ...

dateAug 12, 2011 in Space Exploration
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10 years later, NY responders communicate better

(AP) -- On Sept. 11, 2001, as firefighters rushed into the smoldering twin towers, their radios went dead. Police on the scene couldn't hear orders from their superiors. And none of the agencies responding ...

dateAug 10, 2011 in Telecom
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