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Global Tech Updates
Light becomes matter: Shadowless projection mapping makes images indistinguishable from print
Projection mapping is widely known as a lighting technique that overlays images onto buildings or objects to create visual effects. In fields such as extended reality (XR) and vision science, however, researchers have suggested that…
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Acoustic metamaterial can send complex signals directly between water and air
Researchers from IMDEA Materials Institute, in collaboration with China's Nanjing and Huazhong Universities, have developed a new acoustic metamaterial capable of transmitting complex sound signals directly between water and air. The…
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Nanoscale hotspots in OLEDs may shorten their lifespans in phones and TVs
The pixels in phone screens and other OLED displays appear to provide a uniform glow, but a team of University of Michigan Engineering researchers has discovered the light actually originates from nanoscale hotspots, some of which…
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Key transistor for next-generation 3D stacked semiconductors operates without current leakage
A research team led by Professor Jae Eun Jang and Dr. Goeun Pyo from the Department of Electrical Engineering and Computer Science at DGIST has developed "dual-modulated vertically stacked transistors" that operate stably without current…
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Mechanically activated liquid metal powder lets users draw circuits on paper
What if electronic circuits could be created simply by drawing lines with a pencil on paper or leaves—and then immediately applied to soft robots or skin-attached health monitoring devices? Korean researchers have developed an electronic…
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Sulfide coating boosts lithium-ion battery lifespan past 1,000 cycles
Among the biggest complaints inhibiting growth in the electric vehicle market is the limited lifespan and range of lithium-ion batteries. Consumers fear being stranded far from home with long wait times at recharging stations. A…
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How an acid found in grapes could help recycle battery metals
Cobalt and nickel are vital components for batteries, superalloys and catalysts, used in technologies ranging from smartphones to jet engines. But when it comes to recycling, they are notoriously difficult to separate because they are…
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A microphone that can sort sounds and measure noise could be coming to a construction site near you
Do you want to know how much noise there is on a construction site? You want to measure the sound of the excavator or the hammer drill, but you don't want to measure seagulls, traffic noise or a helicopter flying by. Now a new sound…
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Dripping paint: Research resolves annoyance that hindered Michelangelo's 'The Creation of…
More than 500 years ago, Michelangelo spent four years painting "The Creation of Adam" on the ceiling of the Sistine Chapel, struggling with paint dripping onto his face. He described the process as "closer to torture than painting."…
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Unraveling the origin of stochasticity, a key to next-generation data security and computing
A joint research team has reported for the first time that the resistive switching behavior of ion-motion-mediated volatile memristors, which are emerging as promising next-generation semiconductor devices, originates from a combined…
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