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 ...

Electronics & Semiconductors

Slow electrons for more efficient reactions

What an international team of researchers actually set out to do was to detect a mysterious chemical object: a dielectron in solution. A dielectron is made up of two electrons, but unlike an atom, it has no nucleus. Up to ...

Robotics

Team makes electronic skin that can sense touch

Stanford scientists have developed a soft and stretchable electronic skin that can directly talk to the brain, imitating the sensory feedback of real skin using a strategy that, if improved, could offer hope to millions of ...

Hi Tech & Innovation

Replacing driver hand gestures with holography

How do you decide whether a pedestrian needs to wait or it's safe to cross the road in front of a car? In today's world, drivers and pedestrians simply exchange a brief eye contact or small hand gestures to express their ...

Hi Tech & Innovation

Key facts about Neuralink, Musk's cyborg gamble

Neuralink, Elon Musk's brain-implant company, has won US approval to test on humans. Here is what to know about the multi-billionaire's dream project to enable the human brain to communicate directly with computers.

Hi Tech & Innovation

AI tool generates video from brain activity

"Alexa, play back that dream I had about Kirsten last week." That's a command that may not be too far off in the future, as researchers close in on technology that can tap into our minds and retrieve the imagery of our thoughts.