News tagged with spectrum

The human eye can see 'invisible' infrared light

Any science textbook will tell you we can't see infrared light. Like X-rays and radio waves, infrared light waves are outside the visual spectrum. But an international team of researchers co-led by scientists at Washington ...

dateDec 01, 2014 in Other
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A new generation of storage—ring

A bright synchrotron source that emits over a wide part of the electromagnetic spectrum from the infrared to hard X-rays is currently being built in Lund, Sweden. The MAX IV facility presents a range of technical challenges ...

dateOct 31, 2014 in General Physics
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The difficulties of cataloging dark nebulae

E. E. Barnard is an astronomer perhaps best known for measuring the proper motion of a faint red dwarf about six light years away, now known as Barnard's star. But Barnard was also a pioneer of astrophotography, and he did ...

dateOct 06, 2014 in Astronomy
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Analyzing gold and steel – rapidly and precisely

Optical emission spectrometers are widely used in the steel industry but the instruments currently employed are relatively large and bulky. A novel sensor makes it possible to significantly reduce their size and, moreover, ...

dateOct 01, 2014 in Engineering
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How to make a "perfect" solar absorber

The key to creating a material that would be ideal for converting solar energy to heat is tuning the material's spectrum of absorption just right: It should absorb virtually all wavelengths of light that reach Earth's surface ...

dateSep 29, 2014 in Nanomaterials
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