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 ...

First baseline study of garnet and epidote chemistry in mineralized and barren porphyry-skarn systems utilising NHM mineral collections. Building an understanding of the controls on major and trace ...

There's Rock Identifier: Stone ID, Rock & Crystal Identifier ... The third rock was categorized as Epidote, an uncommon ...

Crystal deodorant is a type of alternative deodorant made of natural mineral salt called potassium alum, also known as potassium aluminum sulfate. It has been shown to have antimicrobial ...

CTI is a high volume manufacturer of oxide single crystals and Acousto-Optical components worldwide, we have leadership in quality, low-cost and R&D. We produce 60 tons/yr of Li Niobate, and have ...

A new study has revealed that London's Crystal Palace was built in just 190 days thanks to a now standard innovation - the screw thread. The design of the glass structure was approved in 1850 and ...

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 ...

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 ...

This evening will see some clear spells, before low cloud moves in overnight off the North Sea. This will thicken in the early hours with some mist and fog possible towards dawn. Thursday Tomorrow ...

Arsenal reignited their Premier League title challenge by thrashing struggling Crystal Palace at Emirates Stadium. The Gunners' fight at the top had faltered towards the end of last year as they ...