i was reading about a wireless energy transfer system using antennas with long-lived resonance under development by MIT (google 'wireless power MIT' to find explainations of technology). i understand enough about the workings of this system i was wondering if anyone knows anything about when it might be on the market? while on the subject what interesting applications can people think up for this technology? i can think of the more obvious ideas such as charging your mobile whenever in range of one of these antennas. my other idea is a bit more ambitious but you could power a car wirelessly if there where enough of these systems within a town masively reducing the weight if an electrical vehicle and therefore performance and efficiency. obviosly you couldnt go out of range of an antenna or the car would stop but this could work for a bus around a city or trains. what are other peoples ideas?