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 ...

As an alternative to full repetition rate amplification and cavity enhancement of frequency combs, direct amplification of selected frequency comb pulses allows for much higher pulse energies and ...

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.

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Late one summer ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The bottom of Earth’s oceans may as well be another planet. The ...

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 ...