On the electromagnetic spectrum, which comprises everything from radio waves to X-rays and gamma rays, there exists a deadzone where conventional electronic devices can hardly operate. This deadzone is occupied by terahertz ...
Optics & Photonics
Dec 15, 2022
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4
Using the Very Long Baseline Interferometry (VLBI) technique, astronomers have probed the parsec-scale jet of a neutrino-emitting blazar known as TXS 0506+056. Results of the new study, presented May 1 on arXiv.org, shed ...
The proliferation of wireless devices may make daily life easier, but their signals are crowding an already limited number of available radio frequencies that enable wireless communication. A University of Georgia researcher ...
Optics & Photonics
Feb 13, 2017
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67
If you thought your phone bill was expensive, UK telecoms regulator Ofcom just announced an inflation-busting price hike that will triple the licence fees paid by UK mobile network operating companies. The likes of EE, O2, ...
Telecom
Oct 2, 2015
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25
The tungsten lightbulb has served well over the century or so since it was introduced, but its days are numbered now with the arrival of LED lighting, which consume a tenth of the power of incandescent bulbs and have a lifespan ...
Telecom
Sep 29, 2015
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88
Millimeter-wave (mmWave) wireless technology promises to support high-bandwidth content at speeds exceeding 10 gigabits per second—a thousand times today's current mobile phone download speeds—but with that promise comes ...
Telecom
Jun 11, 2015
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41
Light can come in many frequencies, only a small fraction of which can be seen by humans. Between the invisible low-frequency radio waves used by cell phones and the high frequencies associated with infrared light lies a ...
General Physics
Apr 22, 2015
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46
A frequency comb source is a light source with a spectrum containing thousands of laser lines. The development of these sources has been revolutionary for fundamental science. It has allowed the construction of a link between ...
Optics & Photonics
Mar 10, 2015
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18
In the visible spectrum, Jupiter is a bright, star-like point in the night sky. Viewing it with the naked eye, it would be easy to confuse it with a star except for the fact that it doesn't twinkle. At radio frequencies ...
Space Exploration
Sep 10, 2014
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Providing secure wireless connections and improving the efficiency of communication devices could be another application for graphene, as demonstrated by scientists at Queen Mary University of London and the Cambridge Graphene ...
Nanomaterials
Feb 19, 2014
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