This chapter discusses basic matters on electromagnetic (EM)‐wave absorbers from various perspectives. As is well known, EM‐wave absorbers are classified according to various factors such as the ...

In Part VI of his 1864 paper titled Electromagnetic Theory of Light, [2] Maxwell combined displacement current with some of the other equations of electromagnetism and he obtained a wave equation with ...

Researchers have created a technology that enables sound waves to propagate only forward, eliminating backward transmission ...

Electromagnetic vortex pulses could be employed for information encoding, high-capacity communication and more ...

The physicist Roger Penrose suggested that, if an object fell into a rotating black hole in such a way that it split – with ...

Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could also be used in technical applications with electromagnetic waves.

Thousands of communication satellites create a consistent electromagnetic backdrop for detecting stealthy objects.

Scientists introduce a method using programmable metasurfaces to achieve highly accurate, wireless hand gesture recognition, ...

Boston University researchers say advanced MRI coils and textile metamaterials could make high-quality imaging more ...

Reducing glare with a scientific flair! Here's how your polarized sunglasses work to filter out the right light. 😎〰☀ ...

In an age of rapid satellite deployment, the sky above is not just getting more crowded but also becoming noisier with ...