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Electronics & Semiconductors

Silicon photonics advance paves the way for cost-effective, high-performance optical devices

Imec, a research and innovation hub in nanoelectronics and digital technologies, has announced a significant milestone in silicon photonics with the successful demonstration of electrically driven GaAs-based multi-quantum-well ...

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New training technique opens the door to neural networks that require much less energy

AI applications like ChatGPT are based on artificial neural networks that, in many respects, imitate the nerve cells in our brains. They are trained with vast quantities of data on high-performance computers, gobbling up ...

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A Minecraft-based benchmark to train and test multi-modal multi-agent systems

Researchers at the University of California- Los Angeles (UCLA) have recently developed TeamCraft, a new open-world environment for the training and evaluation of algorithms for embodied artificial intelligence (AI) agents, ...

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AI-enabled technology is 98% accurate at spotting illegal contraband

Trying to spot contraband is a tricky business. Not only is identifying items like narcotics and counterfeit merchandise difficult, but the current most used technology—X-rays—only gives a 2D view, and often a muddy one ...

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Invisible man: German startup bets on remote driver

With no one in the driver seat, the SUV pulling up resembles an autonomous robotaxi like those becoming increasingly present in some cities—but the car from German startup Vay is something else.

Telecom

Charge your phone in your pocket with new wireless technology

A groundbreaking advancement in technology is paving the way for mobile phones and other electronic devices to recharge simply by being kept in a pocket. This innovative system enables wireless charging throughout three-dimensional ...

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AI system can envision an entire world from a single picture

Johns Hopkins computer scientists have created an artificial intelligence system capable of "imagining" its surroundings without having to physically explore them, bringing AI closer to humanlike reasoning.

Engineering

Bubbling up: Uncovering melt pool dynamics in metal manufacturing

Manually shaking or vibrating molten metal using ultrasonic waves helps reduce air bubbles, cracks and grain sizes in a finished metal part. Metal 3D printing researchers hypothesized that vibrations were the key to increasing ...

Engineering

New device simplifies manipulation of 2D materials for twistronics

A discovery six years ago took the condensed-matter physics world by storm: Ultra-thin carbon stacked in two slightly askew layers became a superconductor, and changing the twist angle between layers could toggle their electrical ...

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Japan plans driverless bullet trains

Shinkansen bullet trains could be whizzing around Japan without drivers from the mid 2030s, one of its main rail operators said, motivated in part by the country's demographic crisis.