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Category: mobile phones

Parul Sehgal of The New York Times stated “In these pieces, plucked from the last 20 years, Holt takes on infinity and the infinitesimal, the illusion of time, the birth of eugenics, the so-called new atheism, smartphones and distraction. It is an elegant history of recent ideas. There are a few historical correctives — he dismantles the notion that Ada Lovelace, the daughter of Lord Byron, was the first computer programmer. But he generally prefers to perch in the middle of a muddle — say, the string theory wars — and hear evidence from both sides without rushing to adjudication. The essays orbit around three chief concerns: How do we conceive of the world (metaphysics), how do we know what we know (epistemology) and how do we conduct ourselves (ethics)”. [ 6 ]

Steven Poole of The Wall Street Journal commented “…this collection of previously published essays by Jim Holt, who is one of the very best modern science writers”. [ 7 ]

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R01 CA203108, R01 CA247234 (to ML), and by the William and Ella Owens Medical Research Foundation (to ML). It was also supported in part by the Department of Medicine, the University of Oklahoma Health Sciences Center.

Address correspondence to: Michael S. Bronze, Department of Medicine, The University of Oklahoma Health Sciences Center, 800 Stanton L. Young Blvd. AAT 6,400, Oklahoma City, Oklahoma, 73,104, USA. Phone: 405.271.5428; Email: [email protected]. Or to: Min Li, Department of Medicine, The University of Oklahoma Health Sciences Center, 975 NE 10th Street, BRC 1262A, Oklahoma City, Oklahoma, 73,104, USA. Phone: 405.271.1796; Email: [email protected].

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On April 1, 2025, the Taiwanese manufacturer TSMC introduced the world’s most advanced microchip: the 2 nanometre (2nm) chip.

Mass production is expected for the second half of the year, and TSMC promises it will represent a major step forward in performance and efficiency – potentially reshaping the technological landscape.

Microchips are the foundation of modern technology, found in nearly all electronic devices, from electric toothbrushes and smartphones to laptops and household appliances. They are made by layering and etching materials like silicon to create microscopic circuits containing billions of transistors.

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Fast-charging lithium-ion batteries are ubiquitous, powering everything from cellphones and laptops to electric vehicles. They’re also notorious for overheating or catching fire.

Now, with an innovative computational model, a University of Wisconsin–Madison has gained new understanding of a phenomenon that causes lithium-ion batteries to fail.

Developed by Weiyu Li, an assistant professor of mechanical engineering at UW–Madison, the model explains lithium plating, in which fast charging triggers metallic lithium to build up on the surface of a battery’s anode, causing the battery to degrade faster or catch fire.

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Qwake Technologies is working with the Department of Homeland Security to test out the device in a real-world environment. 80 fire departments across the country will receive the device to test out. Austin Fire Department and Round Rock Fire Department are both part of this program.

So far, ten of the eighty departments have gotten the technology. Each C-Thru costs about $8,500, which Cossman said is less than the current generation of walkie-talkies used by many departments. The devices are not currently for sale.

“It is the first iPhone for the fire industry. Like this is a watershed moment,” Cossman said.

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Did you know that the camera sensor in your smartphone could help unlock the secrets of antimatter? The AEgIS collaboration, led by Professor Christoph Hugenschmidt’s team from the research neutron source FRM II at the Technical University of Munich (TUM), has developed a detector using modified mobile camera sensors to image, in real time, the points where antimatter annihilates with matter.

This new device, described in a paper published in Science Advances, can pinpoint antiproton annihilations with a resolution of about 0.6 micrometers, a 35-fold improvement over previous real-time methods.

AEgIS and other experiments at CERN’s Antimatter Factory, such as ALPHA and GBAR, are on a mission to measure the free-fall of antihydrogen within Earth’s gravitational field with high precision, each using a different technique. AEgIS’s approach involves producing a horizontal beam of antihydrogen and measuring its vertical displacement using a device called a moiré deflectometer that reveals tiny deviations in motion and a detector that records the antihydrogen annihilation points.

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Researchers at the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) and at Florida International University report in the journal Science their insights on the emerging field of complex frequency excitations, a recently introduced scheme to control light, sound and other wave phenomena beyond conventional limits.

Based on this approach, they outline opportunities that advance fundamental understanding of wave-matter interactions and usher wave-based technologies into a new era.

In conventional light-wave-and sound-wave-based systems such as wireless cell phone technologies, microscopes, speakers and earphones, control over wave phenomena is limited by constraints, which stem from the fundamental properties of the materials used in these technologies.

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Lithium-ion batteries are part of everyday life. They power small rechargeable devices such as mobile phones and laptops. They enable electric vehicles. And larger versions store excess renewable energy for later use, supporting the clean energy transition.

Australia produces more than 3,000 metric tons of lithium-ion battery a year. Managing this waste is a technical, economic and social challenge. Opportunities exist for and creating a circular economy for batteries. But they come with risk.

That’s because contain manufactured chemicals such as PFAS, or per-and polyfluoroalkyl substances. The chemicals carry the lithium—along with electricity—through the battery. If released into the environment, they can linger for decades and likely longer. This is why they’ve been dubbed “forever chemicals”

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