Engineering

Laser-textured discs improve marine engine performance

A laser-textured friction disk could reduce maintenance costs and downtime for the biggest ships sailing on the oceans. Man Energy Solutions tested laser-textured friction disks on its two-stroke engines on two ships sailing ...

Electronics & Semiconductors

Renewable energy, new perspectives for photovoltaic cells

In the future, photovoltaic cells could be 'worn' over clothes, placed on cars or even on beach umbrellas. These are just some of the possible developments from a study published in Nature Communications by researchers at ...

Robotics

Microscopic robots 'walk' thanks to laser tech

A Cornell University-led collaboration has created the first microscopic robots that incorporate semiconductor components, allowing them to be controlled—and made to walk—with standard electronic signals.