News tagged with electromagnetic radiation

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Probing the dark side of the universe

Advancing into the next frontier in astrophysics and cosmology depends on our ability to detect the presence of a particular type of wave in space, a primordial gravitational wave. Much like ripples moving ...

May 20, 2010 4.6 / 5 (15) 65 | with audio podcast

Maine to consider cell phone cancer warning

(AP) -- A Maine legislator wants to make the state the first to require cell phones to carry warnings that they can cause brain cancer, although there is no consensus among scientists that they do and industry leaders dispute ...

Dec 21, 2009 not rated yet 0

0.2 second test for explosive liquids

(PhysOrg.com) -- Since a failed terrorist attack in 2006, plane passengers have not been able to carry bottles of liquid through security at airports, leaving some parched at the airport and others having ...

Oct 20, 2009 4.6 / 5 (7) 0

Very High Energy Gamma Rays

(PhysOrg.com) -- Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The most ...

Sep 25, 2009 4.4 / 5 (14) 3