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 ...

Some gemstones are crystals, such as amethyst, which is a variety of the mineral quartz and is often cut into gemstone form. Not all crystals get the gemstone treatment, however (just look at poor old ...

The Dictionary and the Thesaurus help find the most appropriate word for a context. Here are the top 5 free Dictionary & Thesaurus apps for Windows 11/10. One thing is knowing English and its ...

A dictionary is a list of words or phrases and their definitions arranged in alphabetical order. In an English dictionary you'll find words beginning with ‘a’ at the front and ‘z’ at the back.

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 ...

To make the world smarter, happier, and richer. Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer. The Motley Fool reaches ...

Enlistment into any branch of the U.S. military, by citizens of countries other than the United States is limited to those foreign nationals who are legally residing in the United States and ...

We list the best PDF merger tools, to make it simple and easy to combine documents together into one file. We put the top tools to the test to see which makes for the best workflow. The easiest ...

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 ...

We asked for your thoughts after Saturday's Premier League game between Wolves and Crystal Palace. Here are some of your comments: Wolves fans: Gabriel: Gary O’Neil was obviously just trying not ...