News tagged with electromagnetic radiation

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Andromeda's coat of many colors (w/ video)

(PhysOrg.com) -- ESA's fleet of space telescopes has captured the nearby Andromeda Galaxy, also known as M31, in different wavelengths. Most of these wavelengths are invisible to the eye and each shows a different aspect ...

Apr 27, 2011
3.7 / 5 (3) 6 | with audio podcast

Scientists create artificial mini 'black hole'

(PhysOrg.com) -- Scientists from China have built a device that can trap and absorb microwaves coming from all directions with a 99% absorption rate - a property that makes the device simulate, to some extent, ...

Jun 03, 2010 report
3.9 / 5 (16) 13 | with audio podcast

Turning metal black more than just a novelty

(PhysOrg.com) -- University of Rochester optics professor Chunlei Guo made headlines in the past couple of years when he changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts.

Dec 08, 2009
4.6 / 5 (20) 5

0.2 second test for explosive liquids

(PhysOrg.com) -- Since a failed terrorist attack in 2006, plane passengers have not been able to carry bottles of liquid through security at airports, leaving some parched at the airport and others having ...

Oct 20, 2009
4.6 / 5 (7) 0

New Drake equation to quantify habitability?

Researchers from the Open University are laying the groundwork for a new equation that could mathematically quantify a habitat's potential for hosting life, in a similar way to how the Drake equation estimates ...

Sep 17, 2009
3.5 / 5 (13) 6

First acoustic metamaterial 'superlens' created

A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive ...

Jun 24, 2009
4.5 / 5 (15) 6

Team develops new metamaterial device

An engineered metamaterial proved it can function as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a standard of performance for modulating tiny waves of radiation, according ...

Feb 24, 2009
4.7 / 5 (6) 0