News tagged with wavelengths of light

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Elements of ExoPlanets

By looking at the wavelengths of light from nearby stars, researchers have determined the abundance of certain elements for more than a hundred stars. Trace elements in such stars may influence their habitable zones, where ...

dateFeb 02, 2012 in Space Exploration
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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 the surface ...

dateJul 29, 2011 in Energy & Green Tech
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Millisecond pulsar in spin mode

Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its high luminosity ...

dateNov 03, 2011 in Astronomy
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New Laser Technique Advances Nanofabrication Process

( -- The ability to create tiny patterns is essential to the fabrication of computer chips and many other current and potential applications of nanotechnology. Yet, creating ever smaller features, through a widely-used ...

dateApr 09, 2009 in Nanophysics
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Bimetallic nanoantenna separates colors of light

Researchers at Chalmers University of Technology have built a very simple nanoantenna that directs red and blue colours in opposite directions, even though the antenna is smaller than the wavelength of light. The findings ...

dateSep 23, 2011 in Nanophysics
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Saturn's moon Enceladus spreads its influence

( -- Chalk up one more feat for Saturn's intriguing moon Enceladus. The small, dynamic moon spews out dramatic plumes of water vapor and ice -- first seen by NASA's Cassini spacecraft in 2005. It possesses simple ...

dateSep 22, 2011 in Space Exploration
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