So far in this series, pretty much every material we’ve covered has had to undergo a significant industrial process to transform it from its natural state to a more useful product. Whether it’s the ...

Healing crystals — they're so hot right now. As these spiritual items continue to rise in mainstream popularity, demand for them increases, too. But, in our haste to find the coolest and most ...

Add Yahoo as a preferred source to see more of our stories on Google. Whether you know it or not, you encounter crystals in your everyday life quite regularly. Table salt, sugar and snowflakes are ...

Removing the troublesome impurities of hydrogen sulfide (H 2 S) and carbon dioxide (CO 2) from natural gas could become simpler and more effective using a metal-organic framework (MOF) developed at ...

Above: A hexagonal (six-sided) snow crystal, classified as a stellar dendrite. This crystal was photographed with an Olympus TG-6 camera after it landed on the sleeve of the authors fleece jacket.

Nonlinear photonic crystals (NPCs) are transparent materials that have a spatially uniform linear susceptibility, yet a periodically modulated quadratic nonlinear susceptibility. These engineered ...