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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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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
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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
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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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From floats to fixes: Unifying ambiguity resolution in satellite navigation
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Satnav enables medical and emergency response

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Astronomy
Betelgeuse Betelgeuse? Bright star Betelgeuse likely has a 'Betelbuddy' stellar companion
Environment
Understanding the relationship between food waste, climate change and an aging population
Environment
Microbes in environment drove methane emissions more than fossil fuels between 2020 and 2022, analysis finds
Plants & Animals
How plants compete for light: Researchers discover new mechanism in shade avoidance
Astrobiology
Giant meteorite impact 3.26 billion years ago may have aided early life
Cell & Microbiology
Unexpected beauty and major antimicrobial power boost as phages form into surprising flower shapes
Earth Sciences
Modeling experiments show weather-changing El Niño oscillation is at least 250 million years old
Social Sciences
Docudrama can lead to more empathy toward people who are stigmatized in society, study finds
Evolution
Evolution in action: How ethnic Tibetan women thrive in thin oxygen at high altitudes
Environment
Satellite-derived data on artificial light at night indicate rapidly increasing industrial activities in the Arctic
Analytical Chemistry
Artificial 'nose' can sniff out damaged fruit and spoiled meat
Nanomaterials
Amorphous nanosheets created using hard-to-synthesize metal oxides and oxyhydroxides
Ecology
Accurately weighing costs and benefits of different methods for controlling invasive species
Archaeology
Rare fossils of extinct elephant document the earliest known instance of butchery in India
General Physics
Walk or run in the rain? A physics-based approached to staying dry (or at least drier)
Archaeology
Archaeologist reveals factors affecting ocher application in ancient burials at Khok Phanom Di
Earth Sciences
Climate change intensified 2022 drought in Central and Southern Europe, study finds
Nanophysics
Viscous electronics: Fluid-like electrons are unlocking new tech possibilities
Social Sciences
Experimental approach analyzes how our relationships affect the adoption of innovations
Paleontology & Fossils
Smallest dinosaur egg ever found confirmed in China

New mobile health provision services that could change your life

Mobile eHealth is the practice of medicine and public health provision supported by mobile communication devices. Most commonly, this involves the use of mobile phones, tablet computers and personal digital assistants (PDAs) ...

AT&T to buy carrier Leap Wireless (Update)

AT&T announced plans Friday to buy mobile carrier Leap Wireless in a deal worth at least $4 billion, giving the telecom giant more spectrum and the Cricket prepaid phone franchise.

Sprint launches 'guarantee' for unlimited plans

(AP)—Sprint is introducing a new wireless plan that guarantees new and existing subscribers unlimited voice, text and data plans in a move to differentiate its service from rivals AT&T and Verizon.