News tagged with substance

Cold crystallization has a dual nature

In some vitrous substances, when heated, not one, but two physical mechanisms are reponsible for crystallization, as scientists working at the Insitiute of Nuclear Physics in Krakow, Poland, have discovered. The first-time ...

dateJul 22, 2015 in Condensed Matter
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Chemical deterrent from snow fleas identified

Snow fleas keep predators at bay with a chemical deterrent. German scientists have now isolated this compound and identified it by means of spectroscopic analysis and X-ray crystallography. In the journal Angewandte Chemie, ...

dateMay 29, 2015 in Materials Science
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Searching for coolant traces in the atmosphere

Fourth generation halogenated coolants and foaming agents have only been in use for a few years. They have replaced persistent greenhouse gases such as R134a, which were used in (car) air conditioning units, refrigerators ...

dateMar 24, 2015 in Environment
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