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

Shakespeare in sign language, as seen through AI

A new study uses co-creation with reference communities to develop an app for sign language machine translation (SLMT). The research team designed a theatrical performance in sign language, seen through the eyes of artificial ...

Engineering

Sprayable gels could protect buildings during wildfires

As climate change creates hotter, drier conditions, we are seeing longer fire seasons with larger, more frequent wildfires. In recent years, catastrophic wildfires have destroyed homes and infrastructure, caused devastating ...

Engineering

From shrimp to steel: Introducing nature-inspired metalworking

Humans have long turned to nature for solutions, from deciphering the mysteries of flight to creating stronger materials. For Javier Fernandez, Associate Professor at the Singapore University of Technology and Design (SUTD), ...

Engineering

How air-powered computers can prevent blood clots

A new, air-powered computer sets off alarms when certain medical devices fail. The invention is a more reliable and lower-cost way to help prevent blood clots and strokes—all without electronic sensors.

Engineering

A light-powered hydrogel launcher

An international team of mechanical engineers has developed what they call a fracture-driven, power-amplified hydrogel launcher. They have published their discovery in the journal Nature Materials.