A battery innovation that uses the difference between body heat and air temperature to generate power may hasten the eventual arrival of self-charging smartwatches and other wearables. The complex ...

If you're struggling with sleep or simply want to know more about what's happening to your body when resting, a sleep tracker can be a great place to start -- especially if you can also use it for ...

Robots need power to do anything, just like us. Think about it – without energy, even the most complex machine is just a pile ...

Researchers at the University of Arkansas and the University of Michigan have reported the first use of ultra-low power ...

Texas woman who threatened judge in Trump criminal case set to be sentenced Pierce Brosnan seen with son Christopher in rare outing after years-long estrangement The clock is ticking on the shrinking ...

A dual resonator graphene sensor measures pressure with exceptional precision and stability, using built-in temperature ...

Conventional wearable ultrasound sensors have been limited by low power output and poor structural stability, making them ...