Product Review: Google Finally Gives Android Users What They've Always Wanted. There's Just One Problem video

Whenever I wear a smartwatch, I find that my anxiety increases -- specifically, my health anxiety. Also known as hypochondria or illness anxiety disorder, this type of anxiety makes me worry that I am or may become ill even when I’m healthy.

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Sony's Project Ace has created the first robot to beat an elite human table tennis player, with nine cameras analyzing spin and tracking the ball in real time.

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Whether you're replacing outdated, chirping smoke alarms or installing new detectors, where you put them is important. Badly placed smoke detectors can create more false alarms -- or struggle to sense fires at all. Studies have shown that avoiding problem spots can help smoke detectors significantly reduce the risk of fire-related injuries and fatalities.

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The longer you hold onto an iPhone, the more familiar a certain frustration becomes: a battery that used to last all day now struggles to make it to dinner. Lithium-ion cells degrade gradually with every charge cycle, losing capacity so slowly that most people don't notice until the drop-off is impossible to ignore. A new…

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