On 27 July 2017, the newly built Low Frequency Array (LOFAR) station in Ireland will be officially opened. This extends the largest radio telescope in the world, connecting to its central core of antennas in the north of ...
Space Exploration
Jul 28, 2017
0
7
High-frequency antennas transmit radio waves across vast distances and even over mountain ranges using very little energy, making them ideal for military communications. These devices, however, have one big problem: They ...
Engineering
Apr 26, 2016
5
30
When people think about antennas, they often picture old television sets with "rabbit ears" – two metal rods poking above the screen. Essentially, antennas are devices that allow the wireless transfer or reception of radio ...
Engineering
Aug 20, 2015
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204
MIT physicists have developed a new tabletop particle detector that is able to identify single electrons in a radioactive gas.
General Physics
Apr 21, 2015
2
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Humans may become walking antennas for remote monitoring and mobile communications − with the help of University of Adelaide research to produce antennas integrated into clothing.
Engineering
Nov 14, 2014
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0
Whirring back and forth on a turning turret, the white, 40-foot dish evokes the aura of movies such as "Golden Eye" or "Contact," but the University of Arizona team of scientists and engineers that commissioned it earlier ...
Astronomy
Oct 21, 2014
1
0
(Phys.org) —A Stanford engineering team has built a radio the size of an ant, a device so energy efficient that it gathers all the power it needs from the same electromagnetic waves that carry signals to its receiving antenna ...
Engineering
Sep 10, 2014
15
0
Agriculture, water resource management, drought and flood warnings, etc.: rainfall monitoring is vital in many areas. But the observation networks remain insufficient. This is not the case for antennas for mobile telephones, ...
Earth Sciences
Sep 2, 2014
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0
Soaring high above Earth as they speed through space, satellites are difficult targets to track. Now a new approach developed in Europe is helping ground stations to acquire signals faster and more accurately than ever before.
Space Exploration
Mar 7, 2014
0
0
(Phys.org) —Invisibility cloaking is no longer the stuff of science fiction: two researchers in The Edward S. Rogers Sr. Department of Electrical & Computer Engineering have demonstrated an effective invisibility cloak ...
General Physics
Nov 12, 2013
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