Discover how frequency combs, specialized lasers with evenly spaced frequencies, enable precise light frequency comparison ...

I then relax and put my feet up as I proudly look toward the makeshift faux fireplace I call my TV stand, only to realize that I’ve forgotten the same thing I do every year— stocking stuffers. But ...

Dual-comb spectroscopy performed in the mid-infrared—where molecules have their strongest rotovibrational absorption lines—offers the promise of high spectral resolution broadband spectroscopy with ...

Optical frequency combs, generated by means of self-referenced and stabilized mode-locked lasers, have enabled revolutionary progress in precision optical frequency synthesis and metrology 1,2,3,4.

Our product picks are editor-tested, expert-approved. We may earn a commission through links on our site. Why Trust Us? What kind of beard comb is best for you depends mostly on personal preference.

The knotty question of the origins of our alphabet has been partly straightened out by the discovery of a comb. In June 2016, an archaeological excavation of the ancient Canaanite city of Lachish led ...

Brushes and combs are often lumped together when it comes to hair care. Despite their ability to work through knots, they’re not interchangeable, and they don’t serve all hair types and textures ...

Researchers knew something strange was afoot at the Marine Biological Laboratory in Woods Hole, Mass., when they spied a ctenophore, or comb jelly—a gelatinous sea creature that resembles a ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. During a dive off the coast of Southern California in 1979, ...