Wearable technology like smart watches might be a growing trend, but what about generating your own power with the clothes on your back? Granted, they haven’t invented solar-harvesting shirts yet, but an international team of nanomaterials scientists and engineers have come up with a “smart fabric” that collects energy from the sun, the wind, and even your own movement. Cutting our fossil fuel reliance would be a huge victory in the war against climate change. The emissions of carbon dioxide...