20/10/2026

Engineering

Ultrasound creates a tube that guides matter through the air

A small stream of liquid flows quietly in midair, horizontally, as if inside an invisible tube. Nothing touches it. About 5 centimeters (2 inches) away, a cylinder lined with hundreds of tiny speakers surrounds the stream, ...

Security

When a ship's systems lie, cybersecurity gets complicated

Sailors at sea rely on electronic equipment to keep ships on course and out of danger, but what happens when hackers get involved? Are the mariners equipped to handle modern cybersecurity threats like GPS spoofing?

Engineering

Turning waste into fuel could help cut cement's carbon footprint

Waste that would otherwise end up in a landfill could help low-carbon cement production by reducing the industry's reliance on fossil fuels, according to Adelaide University researchers. Ph.D. candidate Geethmi Thisakya, ...

Automotive

Real-time driver warning system helps prevent animal collisions

It's 9 p.m. on a rural mountain highway when a 750-pound (340-kilogram) elk steps onto the road, its silhouette hidden from an oncoming driver by a curve in the terrain. Suddenly, a roadside sign illuminates: "Wildlife Detected ...

page 3 from 4