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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
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
Software
Interoperable multipath hemispherical map: A unified approach for enhanced GNSS precision
Engineering
A deep dive into polyimides for high-frequency wireless telecommunications
Electronics & Semiconductors
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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Megastudy tests crowdsourced ideas for reducing political polarization
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Worms and snails handle the pressure 2,500m below the Pacific surface
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
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
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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
Environment
Global study reveals people, including those most affected by climate change, do not understand climate justice
Biochemistry
Team develops promising new form of antibiotic that makes bacterial cells self-destruct
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
Cell & Microbiology
Team achieves successful reproduction of hematopoietic stem cell developmental process in an in vitro culture system
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Digital TV Transition Will Be Messy

(PhysOrg.com) -- The pending mandatory switch of all U.S. televisions to digital will be messy, a federal communications official said on Tuesday, urging broadcasters to step up local efforts to educate the public.

Study shows hotels' Internet connections unsafe

(PhysOrg.com) -- Travelers who use a hotel's Internet network risk the possibility of data theft, concludes a new study from Cornell's School of Hotel Administration.

Motorola Releases Next Gen Push-To-Talk on CDMA 1x EVDO Rev A

Motorola, Inc. today announced that it has released its next generation Push-To-Talk over Cellular (PoC) solution, optimized for CDMA 1x networks equipped with EVDO Rev A data capability. This solution leverages the improved ...

Beyond 3G -- ultra-fast mobile radio networks of the future

(PhysOrg.com) -- Today’s growing third generation (3G) of mobile data services are only a taste of what is to come. Now, European researchers are paving the way to a world where ultra-fast internet access is available from ...

Monitoring against another Pompeii

A wimax-based connection to the internet will enable real-time monitoring of potentially dangerous active volcanoes.

Spotting tomorrow's forest fires

A wimax-based connection to the internet enables fire-monitoring efforts in remote and mountainous regions.