Engineering

New 3D-printing method builds structures with two metals

Taking a cue from the structural complexity of trees and bones, Washington State University engineers have created a way to 3D-print two types of steel in the same circular layer using two welding machines. The resulting ...

Robotics

Robots who goof: Can we trust them again?

When robots make mistakes—and they do from time to time—reestablishing trust with human co-workers depends on how the machines own up to the errors and how human-like they appear, according to University of Michigan research.

Engineering

Crash tests show that proper repair is crucial for safety

Researchers at the University of Agder (UiA) conducted two full-scale crash tests at Farsund Airport Lista in December 2021. Preliminary findings show that vehicles that have been incorrectly repaired after a collision may ...

Consumer & Gadgets

Agency pledges tough action to buttress 'right to repair'

Americans would be freer to repair their broken cellphones, computers, videogame consoles and even tractors themselves, or to use independent repair shops, under changes being eyed by federal regulators.

Energy & Green Tech

A second chance for batteries, gearboxes and cog-wheels

Used and damaged cars are often disposed of via energy-intensive scrapping processes—even when many of their parts are still fully functional. In the EKODA project, Fraunhofer researchers are developing a better alternative. ...

page 1 from 2