Jun. 12—Few people in Joplin call Bob Pritchard by given his name. To most, he is simply the "king of the flat top." No other Southwest Missouri-based barber, customers said, could apply the famed ...

"In our tests in Tenerife, we have already achieved beyond state-of-the-art accuracy. Now we are going to make the system more versatile, and develop it even further," says team member Tilo Steinmetz, ...

Embed <iframe src="https://www.npr.org/player/embed/4057013/4057014" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player"> The ...

Researchers at the University of Colorado Boulder have improved the gas sensing capabilities of optical frequency comb lasers ...

An ultraviolet photon-counting dual-comb spectrometer. Two ultraviolet frequency combs of slightly different pulse repetition frequencies are generated at very low light levels by nonlinear frequency ...

Dual-comb spectroscopy, a powerful technique for precise spectroscopy over broad spectral bandwidths, has been mainly used for infrared linear absorption of small molecules in the gas phase. It relies ...

Physicists achieve major leap in precision and accuracy at extremely low light levels. Researchers at the Max Planck Institute of Quantum Optics (MPQ) have successfully developed a new technique for ...

…and Stanford launches “micro” frequency comb, as basis for mass-market adoption of such devices. An ultraviolet photon-counting dual-comb spectrometer. Scientists in the group of Nathalie Picqué at ...