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Global Tech Updates
These restless materials don't just bend under pressure—they snap, crawl, walk and dig on their…
When we think of materials, we usually think of substances like metal, concrete, glass or rubber. What these examples have in common is that they are inactive: when pushed, pulled, shifted or sheared they may move or deform, but only by…
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Tiny battery-free tags turn radio waves into a new way to track breathing at home and in hospitals
The same wireless technology that can track your cat or locate an item in a warehouse can also monitor your breathing. Researchers at Chalmers University of Technology, Sahlgrenska University Hospital and the University of Gothenburg,…
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Printed neurons communicate with living brain cells
Northwestern University engineers printed artificial neurons that don't just imitate the brain—they talk to it. In a new study, the Northwestern team developed flexible, low-cost devices that generate electrical signals realistic enough…
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3D-printing electronics with focused microwaves redefines possibilities in materials
In a recently published paper in Science Advances, a team led by Rice University's Yong Lin Kong describes a new 3D-printing process with focused microwaves that overcomes a fundamental constraint of electronics 3D printing that has…
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Scientists adapt 3D printing for manufacturing copper alloy components
A research team from Skoltech (part of the VEB.RF group) and other scientific organizations in Russia and India has conducted a systematic study of the laser powder bed fusion (PBF-LB) process for aluminum bronze. This material is…
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Tiny cameras in earbuds let users talk with AI about what they see
University of Washington researchers developed the first system that incorporates tiny cameras in off-the-shelf wireless earbuds to allow users to talk with an AI model about the scene in front of them. For instance, a user might turn to…
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Freestanding silicon anode design improves fast charging and cycle life in lithium-ion batteries
Silicon has long been seen as a promising anode material for next-generation lithium-ion batteries because it can store much more lithium than graphite. But silicon also expands and contracts sharply during charging and discharging,…
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One tiny diode could shrink image sensors by adding memory and processing
P-n diodes are two-terminal devices that consist of two types of semiconductor materials (i.e., a p-type and an n-type material) joined together. These components allow electric current to only move in one direction, which is central to…
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When AI meets muscle: Context-aware electrical stimulation guides humans through new movements
Imagine traveling in a foreign country, reaching for a window you've never seen before, and instead of struggling to open it, you feel your own muscles gently guide you through the motion, as if an invisible teacher was there, lending…
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Electrofluidic fiber muscles could enable silent robotic systems
Muscles are remarkably effective systems for generating controlled force, and engineers developing hardware for robots or prosthetics have long struggled to create analogs that can approach their unique combination of strength, rapid…
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