10 Structures That Could Help Us Build Civilizations on the Ocean

Many visions of the future involve people living in the middle of the ocean. This makes all kinds of sense, since oceans make up two-thirds of the planet's surface. Plus you can live independently, free from corrupt governments and the like. The biggest question, though, is how can you go about doing this? And the… »7/20/12 1:09pm7/20/12 1:09pm