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 ...

Hi Tech & Innovation

Audio classification with skyrmion reservoirs

"Seven, one, nine, ...": A human voice pronounces digits, a physical material recognizes them with about 97 percent accuracy. This pattern recognition system was developed by physicists at the University of Duisburg-Essen ...

Energy & Green Tech

Researchers develop an oxygen-ion battery

Lithium-ion batteries are ubiquitous today, but that does not mean that they are the best solution for all areas of application. TU Wien has now succeeded in developing an oxygen-ion battery that has some important advantages. ...

Electronics & Semiconductors

New microchip links two Nobel Prize-winning techniques

Physicists at Delft University of Technology have built a new technology on a microchip by combining two Nobel Prize-winning techniques for the first time. This microchip could measure distances in materials at high precision—for ...

Engineering

Mechanical engineers explore kitchen uses for 3D printing

Cooking devices that incorporate three-dimensional (3D) printers, lasers, or other software-driven processes may soon replace conventional cooking appliances such as ovens, stovetops, and microwaves. But will people want ...

Robotics

Making mind-controlled robots a reality

Researchers from the University of Technology Sydney (UTS) have developed biosensor technology that will allow people to operate devices such as robots and machines solely through thought control.

Hi Tech & Innovation

This 'electronic tattoo' can tell when you're stressed out

Researchers at the University of Texas at Austin have developed a temporary "e-tattoo" for the palm that can track excitement and stress using the skin's electrical conductivity. The e-tattoo could be a reliable way for people ...

Electronics & Semiconductors

Team develops electronic skin as flexible as crocodile skin

The development of electronic skin with multiple senses is essential for various fields, including rehabilitation, health care, prosthetic limbs, and robotics. One of the key components of this technology is stretchable pressure ...

Engineering

3D-printed revolving devices can sense how they are moving

Integrating sensors into rotational mechanisms could make it possible for engineers to build smart hinges that know when a door has been opened, or gears inside a motor that tell a mechanic how fast they are rotating. MIT ...