http://www.pcworld.com/article/250648/your_body_heat_could_someday_charge_your_phone.html#tk.nl_dnx_t_crawl The technology is called Power Felt,…uses carbon nanotubes to create electrical energy from temperature differentials, such as that between your body and the air. The researchers encased the nanotubes in plastic fibers to create a fabric, which allows the device to be easily incorporated into a number of products.
