News tagged with wavelengths of light

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Sun-free photovoltaics

A new photovoltaic energy-conversion system developed at MIT can be powered solely by heat, generating electricity with no sunlight at all. While the principle involved is not new, a novel way of engineering ...

Jul 29, 2011
4.9 / 5 (11) 6 | with audio podcast

New method could lead to narrower chip patterns

(PhysOrg.com) -- Researchers at MIT have found a novel method for etching extremely narrow lines on a microchip, using a material that can be switched from transparent to opaque, and vice versa, just by exposing it to certain ...

Apr 10, 2009
4 / 5 (8) 5

Shedding light on a photosensitive protein

Even without eyes, many single-celled organisms can perceive and react to light. This is achieved via rhodopsins, proteins at the cell surface that trigger responses to specific wavelengths of light by directing ...

Nov 04, 2011
not rated yet 2 | with audio podcast

Astronomers discover cool stars in nearby space

(PhysOrg.com) -- An international team, led by astronomers at the University of Hertfordshire have discovered what may be the coolest sub-stellar body ever found outside our own solar system. Using the United ...

Jan 29, 2010
4.4 / 5 (11) 6 | with audio podcast

As seen from space: Mt. Etna boils over

Italy's Mount Etna has turned on again, spewing lava and gas in its first big eruption in 2013. The volcano is one of the most active in the world, and is Europe's tallest active volcano, currently standing ...

Feb 22, 2013
5 / 5 (6) 0