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Electronics & Semiconductors

Shape-morphing brain sensor adheres to curved surfaces for ultrasound neurostimulation

Transcranial focused ultrasound, a non-invasive technique to stimulate specific areas of the brain using high-frequency sound waves, could be a promising treatment strategy for many neurological disorders. Most notably, it ...

Engineering

Scientists develop novel digital encoding system using fluorescent pixels

A team of scientists has developed a novel digital encoding and data storage system based on a combination of microcapsules containing different luminescent dyes and phase change materials. This work represents an important ...

Consumer & Gadgets

As LLMs grow bigger, they're more likely to give wrong answers than admit ignorance

A team of AI researchers at Universitat Politècnica de València, in Spain, has found that as popular LLMs (Large Language Models) grow larger and more sophisticated, they become less likely to admit to a user that they ...

Energy & Green Tech

Untapped potential: Study shows how water systems can help accelerate renewable energy adoption

Stanford-led research reveals how water systems, from desalination plants to wastewater treatment facilities, could help make renewable energy more affordable and dependable. The study, published Sept. 27 in Nature Water, ...

Engineering

New study shows AI can forecast mining disasters

Artificial Intelligence can forecast gas-related incidents in coal mines within half an hour, according to a new study exploring how the technology can reduce the risk of disasters.

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

Machine learning unlocks secrets to advanced alloys

The concept of short-range order (SRO)—the arrangement of atoms over small distances—in metallic alloys has been underexplored in materials science and engineering. But the past decade has seen renewed interest in quantifying ...

Robotics

Tiny sunlight-powered drone flies for an hour

A team of engineers at Beihang University, working with a colleague from Center of Advanced Aero-Engine, both in China, has developed a micro-aerial vehicle that flies using direct sunlight. They reported their results in ...

Engineering

New parameter helps clarify how soft materials fail under stress

Understanding how soft materials fail under stress is critical for solving engineering challenges as disparate as pharmaceutical technology and landslide prevention. A new study linking a spectrum of soft material behaviors—previously ...

Electronics & Semiconductors

The magnet trick: New invention makes vibrations disappear

When everything shakes, precision is usually impossible—everybody who has ever tried to take a photo with shaky hands or make handwritten notes on a bumpy bus journey knows that. With technical precision measurements, even ...

Electronics & Semiconductors

Soft, stretchy 'jelly batteries' inspired by electric eels

Researchers have developed soft, stretchable 'jelly batteries' that could be used for wearable devices or soft robotics, or even implanted in the brain to deliver drugs or treat conditions such as epilepsy.