Electronic

Rare earth elements for smartphones can be extracted from coal waste

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Recycling rare earth elements from the ash left over from coal burning is cheaper, easier and more environmentally friendly than digging them out of mines Environment 9 February 2022 By Alice Klein A microscope image of tiny glass spheres in coal fly ash that contain rare earth elements Rice University Rare earth elements that are … Read more

Physicists Have Observed a Strange New Kind of Transition in Electronic Crystals

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As basic science teaches us, changes in temperature can result in phase transitions in materials – like when water solidifies as ice in the freezing cold. However, in some cases the temperature that triggers the change is different depending on whether the material is cooling down or warming up. This is known as a hysteresis … Read more