Hi Tech & Innovation news

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 ...

Electronics & Semiconductors

There's two sides to this semiconductor, and many simultaneous functions

Gallium nitride-based semiconductors have been a boon for high-frequency and power electronics. They've also revolutionized energy-efficient LED lighting. But no semiconductor wafer has been able to do both at the same time ...

Energy & Green Tech

Researchers create tiny nuclear-powered battery thousands of times more efficient than predecessors

A team of physicists and engineers affiliated with several institutions in China has developed an extremely small nuclear battery that they claim is up to 8,000 times more efficient than its predecessors. Their paper is published ...

Engineering

Scientists mimic cat eyes to create artificial eye that sees better in the dark, detects camouflaged objects

A team of engineers from the Center for Nanoparticle Research, Seoul National University, the Gwangju Institute of Science and Technology and the Korea Institute of Science and Technology, all in Korea, has developed a new ...

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 ...

Hi Tech & Innovation

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.

Engineering

Revolutionizing 3D printing through microwave technology

In the rapidly evolving world of 3D printing, the pursuit of faster, more efficient and versatile production methods is never-ending. Traditional 3D printing techniques, while groundbreaking, are often time-consuming and ...

Engineering

'Google Earth on steroids' gives a boost to urban development

A new approach uses aerial imaging to generate 3D models of cities and regions with advanced precision, enabling urban planners to incorporate full-scale designs of all types of architectural and urban structures.

Energy & Green Tech

Producing 'green' energy from living plant 'bio-solar cells'

Though plants can serve as a source of food, oxygen and décor, they're not often considered to be a good source of electricity. But by collecting electrons naturally transported within plant cells, scientists can generate ...

Electronics & Semiconductors

A novel energy-efficient actuator system for micro loudspeakers

We want modern technology to become smaller and more energy-efficient without losing quality. Technical innovation is required to achieve this. For several years, the Fraunhofer Institute for Photonic Microsystems IPMS has ...

Hi Tech & Innovation

Shared automated vehicles could make cities more livable, equitable

Fully automated vehicles (AVs), or driverless cars, will be commonplace sooner than we may think. Right now, car makers and transportation network companies—also known as ridesharing companies—are steering AV development. ...

Consumer & Gadgets

How behind-the-scenes sound mixing makes movie magic

Modern movie sound mixing uses techniques like impulse responses to reproduce dialogue and other sounds. These methods are crucial to align what moviegoers see and hear and keep them engaged in the story. At the 183rd ASA ...

Energy & Green Tech

Researchers harvest electricity from wood soaking in water

Water and wood may one day be all that's needed to provide electrical power for a household. At a time when energy is a critical issue for many millions of people worldwide, scientists in Sweden have managed to generate electricity ...

Hi Tech & Innovation

New facial recognition technology scans your ear

In the post-COVID world of face coverings and heightened hygiene awareness, the need for new authentication methods that don't require a person's full face to be visible has arisen.

Computer Sciences

Researchers develop a scaled-up spintronic probabilistic computer

Researchers at Tohoku University, the University of Messina, and the University of California, Santa Barbara (UCSB) have developed a scaled-up version of a probabilistic computer (p-computer) with stochastic spintronic devices ...