Electronics & Semiconductors

Study finds new inroads in fast charging for lithium-ion batteries

Perhaps the most frustrating limitation of owning an all-electric car is how long it takes to fully charge the battery. For a Tesla, for example, it takes about 40 minutes to charge it to 80% capacity using the most powerful ...

Engineering

Team predicts the useful life of batteries with data and AI

If manufacturers of cell-phone batteries could tell which cells will last at least two years, then they could sell only those to phone makers and send the rest to makers of less demanding devices. New research shows how manufacturers ...

Consumer & Gadgets

Why do smoke alarms keep going off even when there's no smoke?

Editor's note: MVS Chandrashekhar is a professor of electrical engineering at the University of South Carolina. In this interview, he explains how smoke detectors work and why they sometimes sound an alarm for what seems ...

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