Kelly King+FollowWould You Wear a Power-Generating Shirt?Imagine your smartwatch or fitness tracker running on your body heat—no more battery swaps or charging cables. Scientists in South Korea just demoed a flexible thermoelectric film that turns even a tiny temperature difference into electricity. This could mean self-powered wearables and sensors, all while cutting down on battery waste. Is this the start of a battery-free tech era, or are there hidden trade-offs we should debate? #Tech #WearableTech #SustainableInnovation00Share
