Looks like an ingenious device! I hope I can get one.
"FlameStower converts fire into electricity - off-grid, portable phone charging in a compact design for camping and power outages."
[youtube]http://www.youtube.com/watch?v=lBMhSNU8kPs[/youtube]
I read about it here:
http://laughingsquid.com/flamestower-a-device-for-charging-electronics-using-fire/