Engineering news

Engineering

Sub-zero green freezer achieves zero emissions

Researchers at the School of Engineering of The Hong Kong University of Science and Technology (HKUST) have developed the world's first sub-zero Celsius elastocaloric freezing device, capable of reaching temperatures as low ...

Engineering

Novel thick electrode enhances battery power and capacity for a 75% increase in output

A research team affiliated with UNIST has unveiled a new type of thick electrode aimed at solving a common challenge in battery design: As the capacity increases, power often decreases. This breakthrough could enable electric ...

Engineering

A pendulum-based system allows energy to be extracted from ocean currents

Converting the vibrations generated by water currents in contact with an object into energy. This is the basis of the new system designed by Francisco Huera, a researcher in the Department of Mechanical Engineering at the ...

Engineering

Self-healing composite can make airplane, automobile and spacecraft components last for centuries

Researchers have created a self-healing composite that is tougher than materials currently used in aircraft wings, turbine blades and other applications—and can repair itself more than 1,000 times. The researchers estimate ...

Engineering

Pushing organic solar cell efficiency past 18%

A joint research team from National Taiwan University, National Yang Ming Chiao Tung University, and National Tsing Hua University has discovered a precise molecular engineering strategy. By adjusting the side chains of organic ...

Engineering

Atomistic model explains how memory metals can change their shape

Shape memory alloys are exotic materials that can be deformed at room temperature and return to their "remembered," pre-deformed shape when heated. They are used in a broad range of applications, such as heart stents, dental ...

Engineering

Novel AI method sharpens 3D X-ray vision

X-ray tomography is a powerful tool that enables scientists and engineers to peer inside of objects in 3D, including computer chips and advanced battery materials, without performing anything invasive. It's the same basic ...

Engineering

Supersonic tests defy a 70-year-old rule of metal strength

When engineers want to make a metal stronger, one of the most reliable strategies is to use smaller grains—the microscopic crystal regions within the material. But when deformed at extreme speeds, this rule flips and metals ...

Engineering

Why apartments are failing the heat stress test

If a heat wave hit Melbourne and the power blacked out, most apartment buildings would bake, with indoor temperatures exceeding international health standards, according to a new analysis that calls for Australia to adopt ...

Engineering

Neutrons dive deep to help protect US nuclear submarines

America's national security relies in part on the U.S. Navy's nuclear-powered submarines, which can operate more than 800 feet below the ocean's surface. At such dark, unforgiving depths, the crew's survival depends on the ...