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Engineering

Helmholtz resonance powers miniature boats and ultrasonic flying robots

When air is blown across the neck of a bottle, it doesn't just produce a pleasant tone: it also demonstrates a phenomenon called Helmholtz resonance. This occurs when airflow passing across an opening causes air trapped inside ...

Computer Sciences

AI agents struggle to perform original scientific research

Among the many predictions about the future of artificial intelligence is that models will one day be able to conduct scientific research on their own, leaving humans out of the equation. Already, they can write code, run ...

Engineering

Ribbon-like fiber unlocks pressure sensitivity up to 1,000 times higher than standard designs

Optical fiber has already transformed the modern world. New research now suggests it could do even more. A new flat-fiber fabrication technique produces a high-fidelity sensor for a wide range of applications, from batteries ...

Security

Brief physical access may let attackers alter Boeing 737 flight instructions

Physical access to an aircraft has not typically been considered a cybersecurity risk—but it should be, according to a team of computer scientists at the University of California San Diego. In a paper presented Aug. 13 at ...

Technology news

Robotics

Simple robot design exceeds human hand in some core motions

The human hand is a dexterous and versatile machine. Scientists have conventionally tried to replicate these traits in robots by copying the biological mechanics of the hand, resulting in complex and difficult-to-control ...

Electronics & Semiconductors

An energy storage device designed to be recycled

Smartwatches, phones and even some drones rely on lightweight, rechargeable energy storage systems. Once those devices wear out, many end up as electronic waste. Now, researchers reporting in ACS Energy Letters have developed ...