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.

Opals are examples of natural photonic crystals. They are composed of small silica nanoparticles ranging in size from 50-300nm, and packed tightly together in a semi-regular "lattice" Breaking Taps ...

IF a thick electric spark is made to glide along the surface of a piece of an ordinary window glass, a faint trace of the spark track is left on the glass surface. On examining this track under ...

Many stones that are referred to as crystals are actually polycrystals; these are made from multiple microscopic crystals ... There are many forms of crystal jewelry—including rings, bracelets ...

Jenny Bird’s contemporary jewelry designs may be a hit with celebrities, but that doesn’t mean they’ll be a big hit to your wallet. Everyone from Taylor Swift to Hailey Bieber to Kylie ...

“When jewelry breaks, slips off, or disappears, it often serves as a gentle nudge from the universe,” she tells Bustle. “As an astrologer and crystal worker, I firmly believe everything is ...

CE: We highlight stones, crystals in loose form, as well as carvings, jewelry, and stone pouches for specific needs. We have a large selection of incense, chime candles, banners, suncatchers and more!

(Photo by Tristan Fewings/Getty Images for Sotheby's) Frank Everett, the Vice Chairman of Sotheby's Jewelry, says, “Antique and vintage pieces—antique jewelry by definition, is 100 years or ...

Discover a microscopic world with one of the best microscopes for students and young scientists, without emptying your wallet — here are our top picks. The best microscopes for students should ...

From handwritten notes on Smythson stationery to a home delivery of fresh blooms and jewelry she’ll cherish for years to come, we’ve thought of the perfect present for any and every Valentine ...

From delicate and dainty pieces ideal for everyday wear, like the Essential Crystal Charm Bracelet ($60, $80), to bold and statement-making jewelry perfect for special occasions, Astrid & Miyu has ...