Radio telescopes are instruments that capture faint radio signals from space and convert them into images of celestial bodies ...

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

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For one species of comb jelly, survival from injury can come down to ...

Life can get pretty hectic when your child has lice, so the last thing you need is a lice comb that doesn’t work. Electric, plastic, and metal head lice combs exist. Electric combs for lice come in a ...

An engraving on an ancient lice comb is potentially the oldest known sentence written using an alphabet. The ivory comb bears a sentence in an early Canaanite script, estimated to date back almost ...