The quartz crystal microbalance (QCM) is a precise mass sensor that exploits the piezoelectric effect in quartz crystals to detect minute mass variations on its surface. At its core, the QCM operates ...

In many ways, electronic products resemble living organisms. For example, they have a central brain that might be a very simple 8-bit MCU or an extremely complex, multicore SoC. Their circulatory ...

In and around Mount Ida, the identity of the official Arkansas State Mineral can be guessed just by looking around. In fact (pun alert!), the laureate is crystal-clear from billboards and other signs.

Mislabeled, lab-grown, and made from plastic—fakes abound in the crystals industry. Who’s going to do anything about it? By Maddie Stone Published Sep 12, 2023 9: ...

From calming amethyst for your bedroom to multi-purpose clear quartz for the kitchen, our crystal experts from Moon & Stone walk us through the essential crystals for each room in the home. Placing ...

Some modern-day prospectors make thousands of dollars selling precious stones they dug up themselves. By Alexandra Marvar Moonstones in Montana, amethyst and emeralds in North Carolina, garnet and ...

MOUNT IDA — In and around Mount Ida, the identity of the official Arkansas State Mineral can be guessed just by looking around. In fact (pun alert!), the laureate is crystal-clear from billboards and ...