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Electromagnetics News

(showing 16 - 21 of 21)
Random Antenna Arrays Boost Emergency Communications
Release Date: 02/24/2009

First responders could boost their radio communications quickly at a disaster site by setting out just four extra transmitters in a random … more

Electromagnetic Phantom Exorcises Specters of Metal Detector Tests
Release Date: 12/23/2008

Guest researcher John Jendzurski prepares the NIST electromagnetic phantom for passage through the walk-through metal detector behind it. The … more

Prototype Terahertz Imager Promises Biochem Advances
Release Date: 04/15/2008

The NIST terahertz imaging system reveals slight temperature differences, as shown in this post-processed image. The color scale ranges from blue … more

NIST Finds ‘Metafilms’ Can Shrink Radio, Radar Devices
Release Date: 03/18/2008

Recent research at the National Institute of Standards and Technology (NIST) has demonstrated that thin films made of “metamaterials”—manmade … more

Nano-Signals Get a Boost from Magnetic Spin Waves
Release Date: 08/31/2006

This simulation shows how two nano-oscillators, spaced 500 nanometers apart, synchronize their microwave signals by overlapping and merging their … more

Novel Zigzag Shape Gives Sensors Magnetic Appeal
Release Date: 08/27/2003

The graphic aboves shows how the direction of magnetization within a NIST zigzag magnetic sensor follows the shape of the device. The green and … more

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