Computer Sciences

SPFCNN-Miner: A new classifier to tackle class-unbalanced data

Researchers at Chongqing University in China have recently developed a cost-sensitive meta-learning classifier that can be used when the training data available is high-dimensional or limited. Their classifier, called SPFCNN-Miner, ...

Robotics

Engineers find ankle exoskeleton aids running

Running is great exercise but not everyone feels great doing it. In hopes of boosting physical activity—and possibly creating a new mode of transportation—engineers at Stanford University are studying devices that people ...

Energy & Green Tech

For cheaper solar cells, thinner really is better

Costs of solar panels have plummeted over the last several years, leading to rates of solar installations far greater than most analysts had expected. But with most of the potential areas for cost savings already pushed to ...

Energy & Green Tech

Study: Even short-lived solar panels can be economically viable

A new study shows that, contrary to widespread belief within the solar power industry, new kinds of solar cells and panels don't necessarily have to last for 25 to 30 years in order to be economically viable in today's market.

Energy & Green Tech

Mining bitcoin uses more energy than Denmark: study

Extracting a dollar's worth of cryptocurrency such as bitcoin from the deep Web consumes three times more energy than digging up a dollar's worth of gold, researchers said Monday.

Energy & Green Tech

Breakthrough opens door to low-cost green hydrogen

In a clean energy breakthrough, researchers from the University of Wollongong (UOW) and ARC Centre of Excellence for Electromaterials Science (ACES) have developed new electrolyzer technology that brings cost-competitive ...

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