Gemstones, including rubies, emeralds, and sapphires, can be sold for cash, much the same as diamonds and other jewelry.

Whether you’re starting out anew once again, on the verge of a big change or simply seeking personal renewal, using the ...

Do blue light glasses actually work? Though they claim to reduce eyestrain and headaches and help you sleep better, no robust research confirms that blue light-blocking glasses support your eye ...

The Pimax Crystal Light packs some of the very highest-resolution lenses around and does it at a decent price point. But it's heavy, clunky, and cumbersome. For the right type of sim racer ...

Chemistry students at the University of Cincinnati are exploring lab-grown crystals that do extraordinary things when exposed to light. They bend. They twist. They bounce. And sometimes they explode.

Two studies show that the light emitted by nanocrystals embedded with luminescent ions can be used to sense forces with high spatial resolution — even when those forces are inside a microscopic ...

Their proposed method, outlined in a paper published in Nature Physics, relies on new diamond phononic crystals that they designed and fabricated, which can be used to engineer the local density ...

Learn more› By Kaitlyn Wells and Zoe Vanderweide If you believe the hype, blue-light blocking glasses will prevent headaches, decrease eyestrain, and help you sleep like a baby. But do they work?

As we step into 2025, crystal enthusiasts are turning to specific stones believed to attract positivity, prosperity, and protection. Whether you’re a believer in their mystical properties or ...

While sphene has one of the best light dispersion properties of any gem, the stone is also relatively soft and difficult to fashion into jewelry. Sphene is more often bought as loose stones by ...