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

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.

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 ...

Archaeologists in Israel unearthed a tiny ivory comb inscribed with the oldest known sentence written in an alphabet that evolved into one we use today. By Oliver Whang The tiny ivory comb came from ...

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, ...