Fabricated radio-wave absorber and measurement setup (a) at 30 GHz and (b) at 150 GHz. Measurement results at 30 GHz and (d) at 150 GHz. 5G wireless communication services have rapidly expanded ...

The U.S. Army, working with a startup called Rydberg Technologies, has achieved the world's first long-range radio communication with an atomic quantum receiver, a breakthrough that could greatly help ...

Spectrum Slit a light sculpture visualizes RF activity with an SDR receiver and sixty?four filament LEDs, helping you see ...

Technically speaking, it doesn’t. Radio waves don’t travel from one radio to another—they travel from a transmitter to a receiver. Devices that both transmit and receive are called transceivers. Radio ...