<A target="_blank" href="http://www.pcmag.com/article2/0,2817,2389243,00.asp?kc=PCRSS03069TX1K0001121&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+ziffdavis%2Fpcmag%2Fbreakingnews+%28PCMag.com+Breaking+News%29">Researchers at Stanford University have developed a flexible, see-through battery</A> using a silicon substrate with nanoscale trenches. This page includes a short video showing the battery.