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Hardware

Programmable photonic chip uses light to accelerate AI training and cut energy use

Penn Engineers have developed the first programmable chip that can train nonlinear neural networks using light—a breakthrough that could dramatically speed up AI training, reduce energy use and even pave the way for fully ...

Robotics

Autonomous drone defeats human champions in historic racing first

For the first time, a drone has beaten human pilots in an international drone racing competition, marking a new milestone in the development of artificial intelligence. On Saturday April 14, 2025, two drone racing events ...

Consumer & Gadgets

Social networks are vulnerable to relatively simple AI manipulation and polarization

It seems that no matter the topic of conversation, online opinion around it will be split into two seemingly irreconcilable camps.

Engineering

Smoothing over rough edges in batteries: Discovery could improve device durability

Texas engineers have discovered a new phenomenon in modern batteries, one that could be used to improve their life cycles.

Engineering

Concrete in road tunnels decomposes unexpectedly fast

When seawater penetrates concrete in road tunnels, a biofilm is formed that breaks down the concrete. This can lead to high costs and the risk of damage if stone and concrete drop from the tunnel roof. In a new study, led ...

Computer Sciences

Training LLMs to self-detoxify their language

As we mature from childhood, our vocabulary—as well as the ways we use it—grows, and our experiences become richer, allowing us to think, reason, and interact with others with specificity and intention. Accordingly, our ...

Business

Flaws found in tools used to enforce online ad standards

A new study finds about 10% of websites that claim to comply with online advertising standards are running ads that violate those standards. The finding tells researchers that the ad-filtering rules browser extensions use ...

Energy & Green Tech

Corn leads to improved performance in lithium-sulfur batteries

Researchers at Washington State University have demonstrated a way to use corn protein to improve the performance of lithium-sulfur batteries, a finding that holds promise for expanding the use of high-energy, lighter-weight ...

Engineering

Physics reveals the optimal roof ratios for energy efficiency

While serving as a visiting professor in Benevento, outside Naples, Italy, Adrian Bejan noticed something about the local architecture: All the roofs looked the same. With what seemed like too-shallow peaks on smaller, older ...

Engineering

Wearable AI system helps blind people navigate

A wearable system designed to assist navigation for blind and partially sighted people is presented in a study published in Nature Machine Intelligence. This system uses artificial intelligence (AI) algorithms to survey the ...