How water can split into two liquids below zero
Did you know that water can still remain liquid below zero degrees Celsius? It is called supercooled water and is present in refrigerators. At even smaller temperatures, supercooled water could exist as a cocktail of two distinct liquids. Unfortunately, the presence of ice often prevents us ... more
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