Researchers developed a model showing the ability of reconfigurable intelligent surfaces to redirect the propagation of radio waves, which could improve the signal. A method to analytically express ...

When astronomers detected the first long-predicted gravitational waves in 2015, it opened a whole new window into the ...

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 ...

Radio wave propagation underpins numerous applications in communication, surveillance and remote sensing, and understanding its nuances is essential for the advancement of modern wireless technologies ...

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 ...