A simple idea that could prevent future nuclear disasters like Fukushima

The Fukushima Daiichi nuclear disaster in 2011 was caused in part by flooding that killed the power generators needed to maintain the plant's monitoring and cooling system. So, how could you prevent something like this in the future? How about by making systems that are self-powering, relying on the energy produced… »10/26/12 2:15pm10/26/12 2:15pm