Ruby red improves in the microwave oven
Researchers from India’s CSIR - Institute of Minerals and Materials Technology (IMMT) have tested a new way to improve the colour, clarity and lustre of rubies: microwaves.
Rubies are among the world’s most popular precious gemstones, and are also used in high power switches and sensors. Mo ... more
Conductor turned insulator amid disorder
Some materials that are inherently disordered display unusual conductivity, sometimes behaving like insulators and sometimes like conductors. Physicists have now analysed the conductivity in a special class of disordered materials. Martin Puschmann from the Technical University Chemnitz, Ge ... more
Trapping climate pollutant methane gas in porous carbon
As talks of global warming are once again making headlines, scientists have renewed their efforts to understand how to best limit its effects. For example, sequestrating short-lived climate pollutants, such as methane and black carbon, yields much faster reductions in global warming compare ... more