Global technology company Avery Dennison Smartrac has released a new dual-frequency radio frequency identification (RFID) and Near Field Communication (NFC) tag for use on metal, designed to allow ...

(Nanowerk News) Optical frequency comb (OFC) provides equidistant comb lines in broad bandwidth, and each comb line corresponds to an absolute optical frequency, which is similar as a comb (or rule) ...

There are significantly different architectures for what are known as “atomic” clocks. Optically driven atomic clocks offer a new set of performance attributes. The optical atomic clocks use paired ...

Researchers have developed a 6G chip that uses a dual electro-photonic approach to send signals across nine radio-frequency bands. When you purchase through links on our site, we may earn an affiliate ...

Phase Four says it has built and tested a next-generation radio-frequency thruster for spacecraft that equals the performance of a Hall-effect thruster. The achievement, demonstrated over several ...

WASHINGTON — The National Reconnaissance Office awarded study contracts to six commercial providers of space-based radio frequency (RF) data, the agency announced Sept. 28. Aurora Insight, HawkEye 360 ...