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AI and physics unite for meta-antennas design

Ka-band metasurface antennas, with their low-cost, low-profile design and superior beam-steering capabilities, show significant potential in the field of satellite communications. However, the constraints of limited satellite ...

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Silicon chip propels 6G communications forward
Engineering
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Precision orbit overhaul: LEO satellites team up to refine GPS accuracy
Telecom
From city streets to open skies: The new frontier in smartphone GNSS accuracy
Telecom
How to get internet access even when a storm knocks out power (and Wi-Fi) at home
Telecom
Hybrid RF-VLC system could reduce power consumption in wireless networks
Business
US companies' global market reach linked to cloud computing use
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Unlocking clarity in the skies: Subcarrier modulation for enhanced GNSS
Internet
Venezuelan crisis has negatively affected country's internet, researchers find
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Fast, tap-proof data networks with light
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Undersea internet cables connecting Australia to the world threatened by boats, spies, natural disasters
Software
Interoperable multipath hemispherical map: A unified approach for enhanced GNSS precision
Engineering
A deep dive into polyimides for high-frequency wireless telecommunications
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Memristive radiofrequency switches show improved performance for mmWave applications
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Digital twin method can boost wireless network speed and reliability
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Microsoft users worldwide report widespread outages affecting banks, airlines and broadcasters
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Microsoft says taking 'mitigation actions' after service issues
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Satnav enables medical and emergency response

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Male stalk-eyed flies with short eyestalks are less attractive to females but fight more fiercely, scientists discover
General Physics
Investigating the impact of ultralight dark matter on gravitational wave signals
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Scientists find southern killer whales of the Pacific have access to enough food, deepening mystery of their struggles
Political science
Megastudy tests crowdsourced ideas for reducing political polarization
Other
Saturday Citations: Brown dwarf actually brown dwarfs; the adaptability of ice-age humans; archaeologists excited
Optics & Photonics
All-optical switch device paves way for faster fiber-optic communication
Plants & Animals
Worms and snails handle the pressure 2,500m below the Pacific surface
Earth Sciences
Could injecting diamond dust into the atmosphere help cool the planet?
Astronomy
Physicists show that neutron stars may be shrouded in clouds of axions
Astronomy
First results from the Axion Dark-Matter Birefringent Cavity experiment establish a new technique for axion search
Environment
Global study reveals people, including those most affected by climate change, do not understand climate justice
Plants & Animals
Bumblebee queens choose to hibernate in pesticide-contaminated soil, scientists discover
Nanomaterials
New fabrication strategy enhances graphene aerogel sensitivity and durability for human-machine interfaces
Biochemistry
Team develops promising new form of antibiotic that makes bacterial cells self-destruct
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Lignin molecular property discovery could help turn trees into affordable, greener industrial chemicals
Nanophysics
Controlling sound waves with Klein tunneling improves acoustic signal filtration
Cell & Microbiology
Cellular senescence research identifies key enzyme to promote healthy aging
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Cell phone spam widespread in China

A China Internet Society study has suggested 6.25 percent of cell phone users in the country receive spam text messages more than 40 times a week.

Cell Phone of the Future Saves Lives

Researchers at the University of South Florida’s Center for Urban Transportation Research and Department of Computer Science and Engineering are working on cell phone applications that can help keep you safer, tell you ...

Silicon Valley cuts the Internet cord

Some 2.4 million residents of California's Silicon Valley will have free broadband wireless Internet access when a new network goes on line. The system will be put together by Silicon Valley Metro Connect, a collaboration ...

Samsung is Set to Demonstrate 4th Generation Mobile Technology

Samsung Electronics announced its plan to demonstrate 4th Generation (4G) mobile technology at the annual Samsung 4G Forum in Jeju Island, Korea for the first time in the world. Demonstration will take place at the specially ...

Stealth Attack Drains Cell Phone Batteries

Cell phones that can send or receive multimedia files could be targeted by an attack that stealthily drains their batteries, leaving cellular communications networks useless, according to computer security researchers at ...

Scottish company launches phone-tracking system for businesses

A Scottish company launched a new system Sunday that will enable employers to track workers' movements through their mobile phones. The tech firm Trisent, based in Dunfermline near Edinburgh, has aimed the system at the business ...