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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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Researchers innovate optical microchips with applications for sensing and communications
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A third of the world lacks internet connectivity—airborne communications stations could change that
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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
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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
Telecom
Microsoft users worldwide report widespread outages affecting banks, airlines and broadcasters
Business
Microsoft says taking 'mitigation actions' after service issues
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From floats to fixes: Unifying ambiguity resolution in satellite navigation
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Satnav enables medical and emergency response

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Saturday Citations: Brown dwarf actually brown dwarfs; the adaptability of ice-age humans; archaeologists excited
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All-optical switch device paves way for faster fiber-optic communication
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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
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
Astronomy
Physicists show that neutron stars may be shrouded in clouds of axions
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
Biochemistry
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
Plants & Animals
American lobster population and habitat preferences shifting, study finds
Cell & Microbiology
Scientists show how sperm and egg come together like a key in a lock
Earth Sciences
Scientists identify potential deep-ocean greenhouse gas storage solution
Analytical Chemistry
New strategy unlocks magnetic switching with hydrogen bonding at molecular level
Plants & Animals
Butterfly brains reveal the tweaks required for cognitive innovation
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Molecular 'cut and sew' process could accelerate drug design

New Zealand's plan for faster Internet hits snag

A plan by the New Zealand government to upgrade the country's notoriously slow Internet service has hit a snag after accountants confirmed the main contractor is facing financial problems.

China issues 4G mobile licences

China has issued licences for "fourth generation", or 4G, mobile phone services, the government said Wednesday, in a move to boost economic growth and job creation.

Broadband in schools gets boost from tech gurus

The effort to get high-speed broadband in every school is getting a boost from the philanthropy of two technology gurus—Facebook creator Mark Zuckerberg and Microsoft Corp. co-founder Bill Gates.

Low-cost Free stirs up French mobile market

Low-cost telecom company Free stirred up France's mobile phone market on Tuesday by announcing an offer that includes 4G data services without additional cost to the customer.

Improving radio frequency efficiency

Our communication networks have to process constantly increasing volumes of data, pushing them to the limits of their capacity. An analyzer makes it possible to test new, efficient transmission formats quickly and with the ...

Locked cellphones are no longer a lock

Uncle Sam wants to hand you the keys to your cellphone. A federal agency is pressing wireless phone companies to start "unlocking" customers' phones, possibly by the time you exchange gifts for the holidays.

Consumers enamored with mobile banking, experts say

Snap, tap and done. That's the catchy mantra of mobile banking, increasingly touted by financial institutions as a way to oh-so-easily pay bills, check balances and deposit checks from your cellphone. And consumers are heeding ...

Brazil confirms satellite deal after US spying outcry

Brazil's state-owned telecom provider Telebras signed a $560 million contract to deliver a satellite for secure communications on Thursday, following months of outrage over revelations of US cyber-spying.

US eyes phase-out of old telephone network

America's plain old telephone network is rapidly being overtaken by new technology, putting US regulators in a quandary over how to manage the final stages of transformation.