Thermocouple
Latest
The PowerWatch 2 delivers GPS powered by your body heat
When I first heard the pitch for the PowerWatch 2, a GPS running watch that didn't have a 'battery' and generated power from your wrist, I was incredulous. GPS is notoriously power-hungry, as is optical heart-rate tracking. But after a week with the latest PowerWatch, I found the makers have made good on their claims, even if there are more than a couple of caveats. Curious?
Matrix shows off its battery-free smartwatch and IoT platform
Matrix is the company behind both the PowerWatch and the PowerWatch X, two timepieces that don't require batteries to work. Both were announced at the same time, but it's taken the X slightly longer to get here, but that's okay because there's a reason for being patient: The PowerWatch X, while still using the heat from your wrist to generate power, is also capable of offering up smartwatch notifications.
