Antennas come in many shapes and sizes, with a variety of characteristics making them more or less suitable for various applications. The average hacker with only a middling exposure to RF may be ...

Most new hams quickly learn that the high-frequency bands are where the action is, and getting on the air somewhere between 40- and 160-meters is the way to make those coveted globe-hopping contacts.

Despite the advent of the internet and streamed services, there is still an interest in traditional broadcasting. With that interest comes a need to measure the associated electromagnetic field ...

(Nanowerk News) Three-dimensional magnetic vortices were discovered by scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Paul Scherrer Institute (PSI) ...

Researchers at the MIT Media Lab say a tiny antenna that they developed could wirelessly power deep-tissue medical implants.

MIT's grain-sized magnetoelectric antenna wirelessly powers deep-tissue implants, enabling battery-free medical devices ...

Paper 403: Measuring magnetic loop antenna performance. Despite the advent of the internet and streamed services, there is still an interest in traditional broadcasting. With that interest comes a ...

Three-dimensional magnetic vortices have recently been discovered. Vortex states are potential antennas for the ultrafast, wireless data transmission of tomorrow. hree-dimensional magnetic vortices ...