Engineering

Road building won't cut congestion or boost the economy

British politicians, national and local, tend to like investing in roads. The Treasury believes that the Department for Transport's approach to economic analysis is sound, and so is willing to award substantial funds. The ...

Security

NY transit officials confirm cyberattack; say harm limited

Hackers infiltrated computer systems for the Metropolitan Transportation Authority in New York, setting off a scramble to counter a potentially crippling cyberattack against North America's largest transit system, MTA officials ...

Machine learning & AI

Research: AI is in danger of becoming too male

Artificial Intelligence (AI) systems are becoming smarter every day, beating world champions in games like Go, identifying tumors in medical scans better than human radiologists, and increasing the efficiency of electricity-hungry ...

Engineering

Collapsed bridge helps inform future flood-resistant designs

Before record rainfall in July of 2018, the Misasa Railroad Bridge spanned a small river some nine miles inland from Japan's western coast. Unprecedented flooding collapsed the bridge, an infrastructure failure that will ...

Automotive

Is a train's risk of derailment affected by its length?

Longer freight trains are more likely to derail compared with shorter trains, according to new research published in Risk Analysis. The increased risk held even after accounting for the need for fewer trains if more cars ...

Computer Sciences

Segmenting ultrasound video with a wavelet variational model

Image segmentation, the process of separating a digital image into multiple sections for individual examination, is frequently used in medical image analysis. For example, segmentation in ultrasound footage helps identify ...

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