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Global Tech Updates
Holographic printer produces 3D shapes in one shot
University of Utah researchers have demonstrated a new method of 3D printing that avoids the leaky seams that come with the layer-by-layer process. Using a nanoscale "mask" that diffracts laser light into a holographic pattern of the…
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A soft exoskeleton could restore hand function in people with motor impairments
Recent technological advances have opened valuable possibilities for supporting people with motor impairments or who are recovering from injuries to the brain, spinal cord or nerves. Millions of people worldwide currently experience…
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'Talkative batteries': Battery cells send temperature data through existing terminals,…
A battery that "talks" does not use words—it communicates through data. Researchers at Kiel University have demonstrated how sensors inside a battery cell can transmit measurement data to the outside without the need for additional…
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Virtual taekwondo is on the rise as it makes its debut at Asian Games
When Vietnamese athlete Nguyen Thanh Hien Linh stepped into her first virtual taekwondo competition in Singapore in 2024, she had little idea what she was doing.
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New VR game tracks player emotions in hopes of fostering empathy for marginalized communities
You're in a dance club bathed in a neon-purple glow, surrounded by ghostly silhouettes that sway to the music. A stranger at the bar greets you with a flirty wave: "Hey, you look so cute!" Sparks fly. It's all part of a virtual reality…
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Programmable metasurface generates dozens of holograms at once
Over the past few decades, engineers have developed various devices that can create holograms, three-dimensional (3D) or two-dimensional (2D) images produced by precisely controlling the shape and direction of traveling light waves.…
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New carbon nanotube infrared sensors could shrink thermal cameras, medical thermometers and gas leak…
Researchers from Skoltech have devised a way to detect infrared radiation across a wide range without cooling the detector. This promises cheaper and smaller contactless thermometers and sensors for medicine, industry, fire and chemical…
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How does superconductivity begin? Unveiling the hidden flow of electrons
Superconductivity, a phenomenon in which electricity flows without resistance, is considered the core of quantum computers and next-generation power technologies. However, the exact states electrons undergo before superconductivity…
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A COF-graphene hybrid opens new horizons for lithium-sulfur batteries
Lithium-sulfur (Li-S) batteries combine the abundance and affordability of sulfur with an energy storage capability far beyond that of current lithium-ion technologies. Practical deployment, however, has been slowed by a longstanding…
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Blame the model, not the machine—better data helps 3D-printed metamaterials match predictions
Additive manufacturing, such as 3D printing, provides an excellent opportunity to design metamaterials: materials with an engineered structure that leads to desired properties such as, for instance, resistance to vibrations. However, a…
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