News tagged with radio frequencies

WHO study suggests link between cell phones and tumors

(PhysOrg.com) -- Preliminary results of an International investigation by the World Health Organization (WHO) suggest there may be a "significantly increased risk" of some types of brain tumors after use of ...

Oct 27, 2009 weblog
4.2 / 5 (23) 17

Swirling electrons in the whirlpool galaxy

The whirlpool galaxy Messier 51 (M51) is seen from a distance of approximately 30 million light years. This galaxy appears almost face-on and displays a beautiful system of spiral arms.

Aug 20, 2014
4.8 / 5 (18) 22

Super-massive black hole inflates giant bubble

Like symbiotic species, a galaxy and its central black hole lead intimately connected lives. The details of this relationship still pose many puzzles for astronomers. Some black holes actively accrete matter. ...

Oct 29, 2012
4.9 / 5 (15) 108 | with audio podcast

'Printed chips' could be boon for consumers

Until now, creating the microchips that power all of our electronic gadgets has been a laborious, complex and time-consuming process costing billions of dollars. But if a Milpitas, Calif.-based startup succeeds, making them ...

Aug 12, 2009
4.6 / 5 (16) 4