The researchers discovered that the surface undergoes rearrangement, allowing aluminum atoms to penetrate and form chemical ...

Sapphire materials and sapphire components consist of a single-crystal or monocrystalline form of aluminum oxide (Al2O3). As ceramic materials, they have superior hardness, mechanical and optical ...

A crystal radio is basically a high Q resonator tied to an antenna and an envelope detector. These days the envelope detector is a point contact diode such as a 1N34 Germanium diode. The resonant ...

2023年9月，研究组探测到一个源自东格陵兰岛、为期9天、全球10.88毫赫（92秒）单色超长周期（VLP）地震信号的出现。在该研究中，他们揭示了这一事件是如何开始的，冰川变薄引发25×106立方米的岩冰雪崩坠入迪克森峡湾，导致了200米高的海啸。

MV Laboratories, a world leader in the production of ultra high-purity inorganic chemicals, manufactures 99.999% AlCl3, Al2O3, ErCl3, H3BO3, KH2PO4, K2HPO4, TiO2, YbCl3 and other raw materials for ...

Crystal skulls are not uncommon or terribly mysterious. Thousands are produced every year in Brazil, China, and Germany. But there are a handful of these rather macabre objects that have fueled ...

Crystal Raypole’s work appears on Healthline, and she’s previously worked as a writer and editor for GoodTherapy. Her interests include Japanese language and translation, cooking, natural ...

Crystal Palace's Jean-Philippe Mateta scored twice including a last-gasp penalty as they clawed their way back from two goals down to salvage a 2-2 Premier League draw against promoted Leicester ...

Since Oliver Glasner’s first game in charge in February, only Erling Haaland (19) has scored more Premier League goals than Jean-Philippe Mateta (15 in 17 games). In that time, he has scored ...

Crystal Palace can draw an established link back to the Crystal Palace football team established in 1861, which played its first match in March 1862. The connection makes Palace the oldest league club ...