Engineering

Exploring sodium batteries down to the atom

Understanding how battery components work at the molecular or atomic levels can help scientists create faster-charging, more powerful, longer-lived storage devices. But the electron microscopes powerful enough to give this ...

Security

Female fertility trackers can be hacked, students found

Female fertility trackers have exploded in popularity in the past decade. In fact, the global feminine technology market is expected to reach a valuation of $255 billion by 2035, according to Research and Markets, a market ...

Consumer & Gadgets

App's AI 'eyes' for blind users fall short, researchers find

A blind man points his phone at a pan and asks, "Are the sausages brown yet?" The app he's using responds out loud that some spots are still slightly pink. So a bit later, he takes another photo and asks again, and then again, ...

Consumer & Gadgets

Smartwatches could learn to read your hands

Northwestern University engineers are investigating new ways to tell what the hands are doing—including peering beneath the skin to watch muscles and tendons move. The new methods don't use high-tech cameras, medical scans ...

Energy & Green Tech

Finland grants license for world's first nuclear waste repository

Finland's government has granted an operating license for the world's first permanent repository for radioactive spent nuclear fuel, waste management company Posiva said Thursday, 22 years after construction began on the ...

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