News tagged with reflection

Alien world is blacker than coal

(PhysOrg.com) -- Astronomers have discovered the darkest known exoplanet - a distant, Jupiter-sized gas giant known as TrES-2b. Their measurements show that TrES-2b reflects less than one percent of the sunlight ...

Aug 11, 2011 4.9 / 5 (14) 21 | with audio podcast

Biology rides to computers' aid

Photonic crystals are exotic materials with the ability to guide light beams through confined spaces and could be vital components of low-power computer chips that use light instead of electricity. Cost-effective ...

Oct 19, 2010 4.8 / 5 (6) 0 | with audio podcast