
Opinion: Dysfunctional geopolitics
The Feinstein CIA torture report has given the U.S. a geopolitical black eye of worldwide dimensions. ... more
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Companies demo enhanced global communications for military
A new global reach push-to-talk voice and data communications capability for the Defense Information Systems Agency has been developed by two U.S. companies. ... more
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Study reveals why mysterious structures within Earth's mantle hold clues to life here
Advanced air filter could enable building vents to capture carbon and reduce energy use
Boos, blowups and last-minute pause as a chaotic COP30 closes out
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In United States, drones take off as Christmas gifts
Andrew Steele, 15, chose a drone as a Christmas present. And he's not alone. Thousands of drone fans - young and old - turned out at a recent show in Los Angeles. ... more
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Future batteries: Lithium-sulfur with a graphene wrapper
What do you get when you wrap a thin sheet of the "wonder material" graphene around a novel multifunctional sulfur electrode that combines an energy storage unit and electron/ion transfer networks? ... more
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Choreography of an electron pair
Physicists are continuously advancing the control they can exert over matter. A German-Spanish team working with researchers from the Max Planck Institute for Nuclear Physics in Heidelberg has now b ... more
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Instant-start computers possible with new breakthrough
To encode data, today's computer memory technology uses electric currents - a major limiting factor for reliability and shrinkability, and the source of significant power consumption. If data could ... more
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Organic electronics could lead to cheap, wearable medical sensors
Future fitness trackers could soon add blood-oxygen levels to the list of vital signs measured with new technology developed by engineers at UC Berkeley.
"There are various pulse oximeters alr ... more
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