The concept of a calming stone with healing powers is nothing new. In fact, raw crystals and gemstones have been valued for ...

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 ...

A small-scale miner in Tanzania has become an overnight millionaire after selling two rough Tanzanite stones - the biggest ever find in the country. Saniniu Laizer earned £2.4m ($3.4m ...

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 ...

This is an example of a raw, natural amblygonite stone found in ... While Hiddenite is usually one of the lower-priced ...

Photonic crystals are periodic optical structures that can control the flow of light. Multiple reflections from surfaces separated by a distance similar to the wavelength prevent an optical beam ...

Raw data or primary data are collected directly related to their object of study (statistical units). When people comprise the subject of an investigation, data collection can be conducted by way ...

Liquid crystals are substances that flow like a liquid but maintain some of the ordered structure of crystals. Liquid-crystal molecules tend to be elongated and to orient in specific directions.

If the hype’s to be believed, raw or unpasteurised milk can do everything from boosting your immune system to preventing dairy allergies and improving digestion. But milk is pasteurised (heat ...

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 ...

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 ...