"Where did my pet go?" If you have a pet, you've probably asked this question at least once. One moment they're playing ...

Penn State researchers have created a washable paint-on tattoo that monitors heart, brain and muscle activity, offering a colorful alternative to bulky wearable health sensors.

Scientists at Pennsylvania State University have developed a novel conductive ink that can be painted directly onto the skin ...

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I'll never lose my phone again.

Forewarned is forearmed.