Turns out my dad has a nice 10 watt folding solar panel that I can borrow. (I really shouldn't be surprised.) So the cost for charging digital camera batteries just went from $120+ to $8.92 for a 12v charging unit. I like it when projected costs drop by an order of magnitude.
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I think I'm with you on the bicycle-tv combo. Turn zombie time into productive exercise! Or maybe bicycle while surfing the web, though dripping sweat on the computer is probably a bad idea. The trick would be to wire the tv or computer so it *won't* run without a certain input wattage from the bicycle.
I'd sure be willing to pedal for an hour a day to watch Stargate, or the Tick.