We've seen many post-apocalyptic housing concepts before, but none have been quite as, well, realistic as the Japanese EDV-01. Daiwa House is actually producing these houses, which can spring up into mobile-houses with the push of a button.

They're small even by Japanese standards, at 6m x 2.5m x 2.4m, but pretty sturdy, weighing 10 tons. It'd take a lot to push one over, but apparently they're designed to be mobile and could house a couple of people fairly comfortably with a bathroom, kitchen, beds, and satellite connectivity in case the phone networks die.

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There are also fuel cells and batteries along with solar panels, to properly escape the grid—whether it's through choice or otherwise. [EDV-01 via Wired Italy]