Meet the PowerPot: a handy tool that converts heat into electricity to charge your gadgets. It is designed for those of you who spend a lot of time camping. You can use it to charge any USB device over any heat source.
The PowerPot is pretty easy to use. Just add some water and place it on a heat source to boil the water. The device has a standard USB (5V) port. You can use it outdoors or when you are experiencing a power outage. Sets you back under $100.