Electromagnetic waves are transverse waves, and travel at the speed of light. Different types of electromagnetic wave have different uses and dangers. Radio waves are used for sending radio and ...

Electromagnetic radiation in the form ... ago this counterintuitive phenomenon was predicted, and how different ...

Electromagnetic radiation is the general term for the more familiar light and radio waves, but also includes gamma rays, x rays, ultraviolet rays, and infrared. All of these forms of electromagnetic ...

The different colors indicate that different wavelengths of ... Terahertz technology is a field of science and technology that focuses on the electromagnetic waves within the terahertz frequency range ...

He knew that physicists now believed light waves--usually thought of as a constantly fluctuating electromagnetic wave ... just how these waves could make different kinds of materials conduct ...

A new patterned spintronic emitter enables room-temperature control of terahertz wave polarization.

A revolutionary new spintronic device developed in China enables powerful, precise control of terahertz (THz) wave ...

Gravitational waves are a new window onto the workings of the Universe, an alternative to the electromagnetic waves — light in its various forms — captured by conventional telescopes.