China to end all waste imports on Jan 1

China will ban all waste imports from January 1, 2021, state media reported Friday, marking the culmination of a three-year phase-out of accepting overseas junk.

New microchip devices produce a wide range of laser hues

Researchers at the National Institute of Standards and Technology (NIST) and the University of Maryland have developed a microchip technology that can convert invisible near-infrared laser light into any one of a panoply ...

Liquid sulfur changes shape and goes critical under pressure

Scientists from the ESRF, together with teams from CEA and CNRS/Sorbonne Université, have found the proof for a liquid-to-liquid transition in sulfur and of a new kind of critical point ending this transition. Their work ...

Chemists offer a new look at polymers for space industry

Employees of the Department of Physical Chemistry of Kazan Federal University have found that the mechanisms of polymerization of aryl cyanates in the solid state and in the melted state differ in the number of broken multiple ...

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