made up ofmolecules of silicon dioxide, which is also known as silica. When those molecules are heated to high enough temperatures, the sand melts and loses its crystalline structure, and as it cools it gains an entirely different structure. That structure, on a molecular level, is somewhere ...
For example, the dielectric constant can be increased by substituting silicon for aluminum in sodium aluminosilicate glasses, raising tungsten oxide levels in sodium germanium borosilicate glasses, and modifying copper oxide levels in borate zinc-fluoride glasses. Conversely, introducing rare earth oxides t...
Amanda Seyfriedis astonishing as Silicon Valley shyster Elizabeth Holmes - once lauded as the world’s youngest self-made billionaire - in scandalous true-life dramaThe Dropout. Following Holmes’ journey from ambitious Ivy League dropout to creator of ‘revolutionary’ med-tech company Theranos and...