These are piezoelectric crystals. Their use is based on one insight — sound is a physical wave which can deform a crystal — and it's how we measure the changing size of organs while they're ...

A model walks with a selfie stick in Reem Acra's Bridal Fall/Winter 2016 show last week. Getty Images The crystal-encrusted narciss-stick a model walked with at Reem Acra’s fall 2016 bridal show ...

I've been seeing those stick-on crystals at drugstores. Do you think they're cheesy or cool? For a girls night out or one-time theme party, it might be fun to try them out. But be forewarned ...

But crystals are not just for the well-to-do; Walmart sells them, too. Believers say that crystals can help mend a broken heart ... She wrapped it up with a stick of palo santo, ...

Crystals are prettyyy, but if you really want to work with crystals' energy, you can’t just stick ’em on a shelf and look at ’em. These lil beauts are believed to vibrate at frequencies that ...

The end result was a nematic liquid crystal fluid with symmetry that looks a lot like that of a solid monoclinic crystal. The molecules inside displayed some symmetry, but only one mirror plane ...