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 ...

Security

Devilray exposes blind spots in fake cell tower detection

Governments use them to track phones. Criminals drive them through city streets and send texts that look like they came from your bank. For 20 years, researchers have been building tools to catch these fake cell towers. They ...

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