News tagged with radio waves

9 new gamma pulsars

Pulsars are the lighthouses of the universe. These compact and fast-rotating neutron stars flash many times per second in the radio or gamma-ray band. Pure gamma-ray pulsars are extremely difficult to find ...

Nov 03, 2011
4 / 5 (1) 3 | with audio podcast

Tornado forecasting pushes scientific limits

Ernest Fawbush and Robert Miller made the first ever tornado forecast in March of 1948 using only paper, pencil, and a World War II-era radar -- but tornado forecasting has changed dramatically since that ...

Jun 08, 2011
2.5 / 5 (2) 0

Cellphone cancer warning falls lightly on US ears

(AP) -- News last week that an arm of the World Health Organization said cellphones might raise the risk of brain cancer has been greeted by Americans mostly with a shrug of the shoulder - one that's pinning ...

Jun 06, 2011
not rated yet 1