Gold nuggets occur predominantly in quartz veins, and the current paradigm posits that gold precipitates from hot water and carbon dioxide-rich fluids...
The flexible, thin-film loudspeaker, developed by MIT researchers, weighs only 2 g, is 120 microns thick, and can generate high-quality sound no matter...
A wearable piezoelectric energy harvester developed by scientists from the Materials Research Institute at the Pennsylvania State University and the University...
