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 ...

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 ...

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 ...

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 ...

Liquid-crystal molecules tend to be elongated and to orient in specific directions. Filamentous viruses are a tunable platform for understanding the propagation of chirality across length scales ...

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 ...

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 ...

Partly cloudy this morning with a chance of a few isolated but possibly thundery showers in spots. In the afternoon, any remaining showers will clear with plenty of sunshine for the rest of the ...

A tense Cold War thriller based on a true story. VideoA tense Cold War thriller based on a true story ...

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 ...

A second-half equaliser by Eberechi Eze gave Crystal Palace their first point of the Premier League season as they secured a 1-1 draw away to Chelsea on Sunday, bouncing back from a poor start to ...