News tagged with electromagnetism

US Navy ready to deploy laser for first time

Some of the Navy's futuristic weapons sound like something out of "Star Wars," with lasers designed to shoot down aerial drones and electric guns that fire projectiles at hypersonic speeds.

Feb 17, 2014
4.7 / 5 (43) 13

Novel high-power microwave generator

High-power microwaves are frequently used in civil applications, such as radar and communication systems, heating and current drive of plasmas in fusion devices, and acceleration in high-energy linear colliders. ...

Feb 11, 2015
4.3 / 5 (16) 3

A recoiling, supermassive black hole

When galaxies collide, the central supermassive black holes that reside at their cores will end up orbiting one another in a binary pair, at least according to current simulations. Einstein's general theory ...

Jan 26, 2015
4.3 / 5 (22) 2

Light particles illuminate the vacuum

Researchers from the Finnish Aalto University and the Technical Research Centre of Finland succeeded in showing experimentally that vacuum has properties not previously observed. According to the laws of ...

Feb 26, 2013
4.8 / 5 (35) 415

A new twist in the properties of light

Light has some well-established dynamical properties that have defined our understanding of electromagnetic radiation for over a century. Two of the most fundamental of these properties are that photons of ...

Apr 25, 2014
4.8 / 5 (59) 7

Scientists twist sound with metamaterials

A Chinese-U.S. research team is exploring the use of metamaterials—artificial materials engineered to have exotic properties not found in nature—to create devices that manipulate sound in versatile and ...

Feb 25, 2014
4.6 / 5 (10) 1