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 ...

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Cross-cultural psychology is a branch of psychology that explores the similarities and differences in thinking and behavior between individuals from different cultures. Scientists using a cross ...

What are the best cross platform games? Crossplay games really are the holy grail of gaming, and they weren’t particularly all that common until a few years ago. Nowadays, there are plenty of ...

According to tradition, a part of the Holy Cross was discovered by the mother of the emperor Constantine, St. Helen, on a pilgrimage to Jerusalem in 326. A fifth century account describes this ...

miniseries / Getty Images Cross collateralization is the act of using an asset that's collateral for an initial loan as collateral for a second loan. If the debtor cannot make either loan's ...

It is not a religious symbol. The red cross, red crescent and red crystal are symbols of protection. International law protects the people who wear them, and the buildings and transport which display ...

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 ...

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Cross country running is a sport in which teams and individuals run races on outdoor courses over natural terrain. Races shall be run over courses confined, to the extent possible, to open country, ...