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 ...

More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure ... of a mineral called corundum, comprised of ...

This color center modifies how the crystal absorbs light ... Rubies are a red variety of the mineral corundum, which is ...

Aluminum oxide (Al 2 O 3), also known as alumina, corundum, sapphire ... the structure deviates from that inside the crystal.

Billy Crystal and his wife, Janice, have been married for more than 50 years Kaitlin Stevens is a contributing writer at PEOPLE. She has been working at PEOPLE since 2022. Her work has also ...

Presley Ann/Getty Actor Billy Crystal might be known forever to many as Harry from the 1989 film When Harry Met Sally, but to Jennifer Crystal Foley and Lindsay Crystal, he’s always been Dad.

Crystal healing is a type of complementary and integrative medicine that may support overall health and wellness. However, most of the evidence is anecdotal rather than scientific. Crystals are a ...

You can experience Pokemon Crystal in a whole different way if you have the best team composition that can tackle all the challenges that the game throws at you. Having a better team composition ...

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 ...

Diogo Jota's early goal was enough to give Liverpool a tight 1-0 victory at Crystal Palace on Saturday and ensure the Reds go into the international break top of the Premier League. Everton earned ...

Oliver Glasner is not in immediate danger of being sacked by Crystal Palace following their poor start to the season - but results must improve, and quickly. Palace are one of four sides without a ...