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

Electromagnetic waves travel at 300,000,000 metres per second (m/s) through a vacuum. Often a phrase is used to help remember the order of the groups of the electromagnetic spectrum such as Roman ...

All forms of electromagnetic radiation, whether they're called waves or rays, are generated by particles in motion. In a radio signal, for example, negatively charged electrons quickly move back ...

Terahertz (THz) technology refers to the use of electromagnetic waves in the terahertz (1 THz = 10 12 Hz) region of the electromagnetic spectrum that covers the frequency range from roughly 0.1 to 50 ...

Scientists demonstrate time reflection of electromagnetic waves in a groundbreaking experiment. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2023 / 03 ...

A 50-year-old idea about electromagnetic waves known as the Zel’dovich effect has been tested by physicists in the lab, and proven to be correct. The idea behind the Zel’dovich effect came ...

Researchers in Drexel University’s College of Engineering have developed a thin film device, fabricated by spray coating, that can block electromagnetic radiation with the flip of a switch. The ...

NEW YORK, March 13, 2023 — When we look in a mirror, we are used to seeing our faces looking back at us. The reflected images are produced by electromagnetic light waves bouncing off of the ...