Optical scientists call this a photonic crystal. For a cat it's periodic parallel rods—it contains photonic bandgaps that are used to modify the flow of light, akin to the electron bandgaps in ...

Gemstone grids harness crystal energy by arranging them in specific patterns to amplify their natural properties. From attracting peace and abundance to promoting healing and creativity, grids can ...

Morton and Diamond Crystal are the most common brands of kosher salt you’ll find on shelves. Despite the name, they aren’t ...