These days, there are so many at-home skin care devices that heading to a MedSpa feels unnecessary. The latest technology to leave dermatologist offices and arrive at our doorsteps is radio frequency.

US Army scientists have demonstrated a new quantum sensor that can measure the full ...

A new electron spin resonance-atomic force microscopy setup enables single-spin quantum control on nonconductive samples.

ARL scientists achieved a major milestone in quantum sensing technology that could transform how electromagnetic signals are ...

Radio-frequency scanners, like the Uniden Bearcat Scanner, check for active radio communications in your immediate area. They're commonly purchased by hobbyists, but they also have many business ...

Over the past decades, electronics engineers worldwide have been trying to develop devices that could enable even faster communications between devices, all while consuming less energy. To meet the ...

This article originally appeared in our World’s Greatest Telescopes special issue from summer 2012. The pursuit of radio astronomy is a quest for cosmic whispers. By the time radio telescopes collect ...

What are harmonics in RF systems? A given signal’s second harmonic is approximately twice the given signal’s fundamental frequency. Ideally, amplifiers are expected to have zero non-linearities in the ...

Amateur radio is the only hobby that offers its licensed operators the chance to legally design, build, and operate high power radio transceivers connected to unlimited antenna arrays for the purpose ...