Amazon Survival Hacks by Stewart Creek: 200+ Ways to Use Everyday Items for Wilderness Survival (Life Hacks Series, ISBN: 9781440593345) $10.22 @Amazon

[EchoTangoFox]

That potato battery hack brought back some science fair memories, but it’s actually handy in a pinch—definitely enough juice for a small LED if you line up a few spuds. Haven’t tried linking it with the soda can solar yet, but now I’m curious if you can stack em for more power, like OrbitJazz21 mentioned. Anyone experiment with boosting radio reception using