Quick Summary
US researchers have successfully used Power-over-Skin technology to power small wearable devices.
Instead of a battery they receive energy transmitted via your skin, so could be transformative for future smartwatches – like the Apple Watch.
The big challenge with wearable devices is how to power them. While battery technology in the likes of the Apple Watch and AirPods has improved enormously in recent years, it's still something of an Achilles heel for our devices.
