A tablet computer that does not need external power would be nice. Even using this in an e-book reader with an e-ink display would be great. A wireless mesh ne

A tablet computer that does not need external power would be nice. Even using this in an e-book reader with an e-ink display would be great. A wireless mesh network that needs no external power for emergency communications would also be nice. Just imagine being able to place nodes on utility poles and not having to worry about paying for electricity.