The lake's lethal combination of methane and carbon dioxide has residents fearing for their lives, but it's also the country's most vital and promising energy source.
It sucks that batteries are nearly bigger than the gadgets they're powering, but thanks to University of Missouri researchers and some tiny nuclear batteries, that'll one day be an issue of the past. Yeah, you read right. Tiny. Nuclear. Batteries.
Xantrex, isn't only the King of the Southern Elves. He makes mini battery backup systems. This one's a paperback-sized portable power source theoretically good for an extra 2.5 hours on your laptop. It also has USB ports for charging phones and other gadgets that can feed off of them. And a 12-volt car power inverter,…