News tagged with wavelength of light

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The power of spin

( -- Supermasssive black holes - objects with masses of millions or billions of suns - are found at the nuclei of dramatic galaxies like quasars where they are responsible for some of the most spectacular phenomena ...

dateJan 28, 2011 in Astronomy
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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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