Researchers at Martin Luther University Halle-Wittenberg (MLU) have discovered a new method to increase the efficiency of solar cells by a factor of 1,000. The team of scientists achieved this ...
In materials that undergo AS emission, electrons interact with crystal lattice vibrations called "phonons" in such a way that the photons emitted are of higher energy than those in the incident light.
Sommerfeld in Munich, by passing a narrow cylindrical beam of Röntgen rays through a crystal of zinc blende ... holohedral cubic symmetry of the space-lattice attributed by crystallographers ...
Feng Shui incorporates gemstones and crystals to balance energy and enhance harmony in your home. Amethyst is ideal for the living room, rose quartz for the bedroom, citrine for the kitchen ...