<p>➀ Researchers developed a stretchable thermoelectric elastomer that converts body heat into electricity, enabling self-powered wearables and medical implants;</p><p>➀ The rubber-like material maintains high flexibility (up to 850% strain) and electrical conductivity through a polymer-N-DMBI composite design;</p><p>➂ Potential applications include health monitors, smart textiles, and implantable devices that harvest continuous energy from skin temperature gradients.</p>