Engineering news

Engineering

Stretchable self-powered sensor delivers stable signals even at 668% elongation

Wearable medical devices that monitor heart rate, respiration and joint movements for long periods without battery concerns, electronic skins that sense external stimuli like human skin, and soft robots made of flexible materials ...

Engineering

Ultrathin membranes could transform hydrocarbon processing by slashing energy use

A team of international researchers has developed a new class of ultrathin polymer membranes that can rapidly and selectively separate complex hydrocarbon mixtures, potentially transforming how crude oil is refined and refinery ...

Robotics

Elephant trunk skin reveals design that could reshape soft robotics

An elephant's trunk is both strong and capable of extremely fine motor movements. With this muscular, boneless structure, an elephant can carry heavy logs—or deftly peel a banana. Lucia Beccai and colleagues studied the skin ...

Engineering

Material dents and folds could be engineered into smart surfaces with AI

Wrinkles or dents appearing on material surfaces are often regarded as signs of damage or deformation. In a recent collaborative review paper published in Nano-Micro Letters and titled "Harnessing Surface Instabilities for ...

Engineering

Advanced 3D printing creates origami-inspired structures

Researchers at the Department of Energy's Manufacturing Demonstration Facility at Oak Ridge National Laboratory have introduced an innovation in additive manufacturing by integrating origami-inspired 3D printing techniques ...

Engineering

Going up against the heat: Vertical greenery keeps cities cool

Climate change and urbanization have intensified the urban heat island (UHI) effect, where urban areas are significantly warmer than rural areas. This has, in turn, increased the frequency of extreme heat events, such as ...

Engineering

Energy-efficient cooling elements developed from a 3D printer

Visitors to this year's Hannover Messe can experience a sudden drop in temperature at first hand—all brought about by simply stretching a metal alloy and then releasing it again. The underlying elastocaloric technology offers ...

Robotics

Simple robots inspired by ants collectively build and excavate

When it comes to teamwork, we could all learn something from ants. These relatively simple, small-brained animals are famous for their ability to collectively build massive, intricate, climate-controlled structures, despite ...

Engineering

Depleted oil fields offer hydrogen storage sites

Hydrogen is a clean-burning gas that could help to tackle climate change by reducing our dependence on fossil fuels. But storing and transporting hydrogen is expensive and technically challenging, typically requiring high-pressure ...