The KRISS Electromagnetic Wave Metrology Group has developed an electromagnetic wave impedance measurement standard for waveguides, which are key components of 6G low Earth orbit satellite ...

Einstein's aim was to explain electromagnetism as a geometric property of four-dimensional spacetime. He continued this work until his death in 1955. The work was not completed.

Sound spreads both forwards and backward in a space, meaning someone standing nearby can hear you as well as you can hear ...

Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could ...

Mechanical waveguide phase shifters (MWPSs) serve as crucial components of phase adjustment in high-power microwaves (HPMs); however, despite their widespread use, the potential resonance issues ...

Where the information comes from: In the experimental part of the work, the researchers placed Teflon objects (orange cylinders) in a waveguide with a rectangular cross-section. They then injected an ...

It also discusses how dielectric and metal waveguide antennas can potentially improve 5G efficiency and contribute to the evolution of 6G. Waveguide fundamentals Waveguides facilitate controlled ...

The other setup let them observe the angular distribution of the emitted light. NRL researchers also developed 3D electromagnetic models of the waveguides. The modeling results provide a toolkit for ...

Optical waveguides are specialized devices or mediums designed to confine and direct light propagation along a predetermined path, primarily in the form of optical signals or photons. These ...

Traditionally, topological waveguides are built with abrupt edges between their various interfaces. These edges create boundary modes—electromagnetic waves that behave differently where edges exist ...

According to the Special Theory of Relativity, no signal can travel faster than the speed of light in vacuum [1]. It is important to underline that a certain amount of energy is inevitably involved in ...