Frequency comb: Georg Woltersdorf (left) and his colleague Chris Körner in the lab where they created a spin frequency comb. (Courtesy: Uni Halle/Markus Scholz) A simple method for multiplying the ...

Scientists have achieved a new world record in high-frequency submillimeter waves. This discovery paves the way for a new generation of sensing and imaging devices. Researchers at the UCLA Henry ...

An international team from Kanazawa University (Japan), Tohoku University (Japan), LPP (France), and partners has ...

Here is a simple frequency doubler circuit that produces a square wave output with a precise 50 percent duty cycle. There are similar circuits in the literature [References 1, 2, 3] which require ...

The frequency of alpha brain waves can be used as a measure of an individual’s vulnerability to developing and experiencing pain, researchers have discovered. The frequency of alpha brain waves can be ...