News tagged with shock waves

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Imaging an expanding supernova shell

Supernovae, the explosive deaths of massive stars, are among the most momentous events in the cosmos because they disburse into space all of the chemical elements that were produced inside their progenitor stars, including ...

dateDec 07, 2015 in Astronomy
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Economic LED recycling

Light emitting diodes are used in a great number of products like televisions and lamps or luminaires. Moreover they are penetrating the automotive lighting market to an ever greater degree. Nevertheless, there are no suitable ...

dateNov 02, 2015 in Materials Science
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Revisiting the Veil Nebula

Deriving its name from its delicate, draped filamentary structures, the beautiful Veil Nebula is one of the best-known supernova remnants. It formed from the violent death of a star twenty times the mass of the Sun that exploded ...

dateSep 24, 2015 in Astronomy
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Schlieren images reveal supersonic shock waves

NASA researchers in California are using a modern version of a 150-year-old German photography technique to capture images of shock waves created by supersonic airplanes. Over the past five years scientists from NASA's Armstrong ...

dateAug 27, 2015 in Engineering
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