It will be difficult to charge your iPhone after the zombie apocalypse destroys the power grid, but a new product from TES NewEnergy Corporation can make topping off your battery as easy as heating up a can of SpaghettiO's over an open fire.
The company has created the Hatsuden-Nabe, a US$278 cooking pan with a built-in USB port and a thermoelectric device to turn wasted heat into power. As the company notes, the heat of a wood campfire could reach over 900°F, but water requires only 212°F to boil so a lot of the extra heat is either retained in the pot or escapes to the atmosphere, wasted. The cooking pan converts some of that waste heat into power that is then used to charge up your electronic gizmos. An iPhone can be fully charged in
