Researchers develop smart sensors to prevent power outages
Who turned out the lights?
Energy & Green Tech
Apr 11, 2018
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Page 3 - News tagged with radio frequency signal
How your WiFi can protect against intruders
The applications of wireless networks go far beyond logging onto the free Airport WiFi while you wait to board your flight, or binge watching the latest Netflix series on a rainy Sunday afternoon.
Telecom
Apr 2, 2018
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28
NASA confirms re-discovered IMAGE satellite
The identity of the satellite re-discovered on Jan. 20, 2018, has been confirmed as NASA's IMAGE satellite.
Space Exploration
Jan 31, 2018
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41
Engineers devise two-way radio on a single chip
Two-way communication requires, of course, both send and receive capabilities. But putting them in the same device requires a filter between the send and receive circuits to provide signal isolation.
Engineering
Mar 9, 2017
1
70
Optics research into glass micro-bubbles resonators produces interesting non-linear effects
When measuring the duration of high-speed physical phenomena, a good stopwatch can only get you so far, and while oscilloscopes can pick up electrical signals with frequencies of a few GHz, measuring incredibly fast optical ...
Optics & Photonics
Jan 30, 2017
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19
Researchers use passive UHF RFID tags to detect how people interact with objects
Disney Research has demonstrated that battery-free, radio frequency identification (RFID) tags can be used to cheaply and unobtrusively determine how people use and interact with daily objects, enabling new types of interactive ...
Engineering
Apr 17, 2015
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25
APL backpack-sized mini-mapper captures intel in tight spots
Engineers at the Johns Hopkins University Applied Physics Laboratory have developed a portable mapping system—carried in a backpack—that can be used to automatically create annotated physical maps of locations where GPS ...
Engineering
Mar 26, 2013
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0
Radio signals research scans new horizons
A study at the University of Leicester aims to understand the reasons why radio signals sometimes act unpredictably- travelling beyond the horizon and interfering with other signals.
Engineering
Jun 22, 2010
2
0
Astronomers scan 11,680 nearby stars for signals from advanced civilizations
The hunt for alien life and its radio signals from beyond our solar system is still coming up dry. But, it's not for lack of looking for possible advanced civilizations.
Astronomy
Aug 15, 2023
0
154
Updates on recovery attempts for NASA IMAGE mission
After an amateur astronomer recorded observations of a satellite in high Earth orbit on Jan. 20, 2018, his initial research suggested it was the Imager for Magnetopause-to-Aurora Global Exploration (IMAGE)—a NASA mission ...
Space Exploration
Jan 29, 2018
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