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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
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Precision orbit overhaul: LEO satellites team up to refine GPS accuracy
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From city streets to open skies: The new frontier in smartphone GNSS accuracy
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How to get internet access even when a storm knocks out power (and Wi-Fi) at home
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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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Interoperable multipath hemispherical map: A unified approach for enhanced GNSS precision
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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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All-optical switch device paves way for faster fiber-optic communication
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Saturday Citations: Brown dwarf actually brown dwarfs; the adaptability of ice-age humans; archaeologists excited
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Worms and snails handle the pressure 2,500m below the Pacific surface
Political science
Megastudy tests crowdsourced ideas for reducing political polarization
Earth Sciences
Could injecting diamond dust into the atmosphere help cool the planet?
Astronomy
First results from the Axion Dark-Matter Birefringent Cavity experiment establish a new technique for axion search
Plants & Animals
Bumblebee queens choose to hibernate in pesticide-contaminated soil, scientists discover
Astronomy
Physicists show that neutron stars may be shrouded in clouds of axions
Environment
Global study reveals people, including those most affected by climate change, do not understand climate justice
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
Nanophysics
Controlling sound waves with Klein tunneling improves acoustic signal filtration
Cell & Microbiology
Cellular senescence research identifies key enzyme to promote healthy aging
Biochemistry
Lignin molecular property discovery could help turn trees into affordable, greener industrial chemicals
Plants & Animals
American lobster population and habitat preferences shifting, study finds
Analytical Chemistry
New strategy unlocks magnetic switching with hydrogen bonding at molecular level
Plants & Animals
Butterfly brains reveal the tweaks required for cognitive innovation
Earth Sciences
Scientists identify potential deep-ocean greenhouse gas storage solution
Analytical Chemistry
Leveraging skyscraper architecture: New design enhances porosity and structural stability for metal-organic frameworks
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High court could weigh in on cellphone searches

The U.S. Supreme Court decided 40 years ago that police do not need a search warrant to look through anything a person is carrying when arrested. But that was long before smartphones gave people the ability to take with them ...

Texting is bound to decline but it won't die out just yet

Reports this week reveal the number of text messages sent between mobile phones has fallen into decline for the first time since the service was introduced. According to figures from Deloitte, the number of messages sent ...

Officials: Obama likely to OK phone record changes

President Barack Obama is expected to endorse changes to the way the government collects millions of Americans' phone records for possible future surveillance, but he is leaving many of the specific adjustments for Congress ...

Proposed spy phone record shift draws resistance

Telephone companies are quietly balking at the idea of changing how they collect and store Americans' phone records to help the National Security Agency's surveillance programs. They are worried about their exposure to lawsuits ...