Well at least they are thinking in the right direction,How they came up with that fourmalae though.But it is thinking like this that helps mankind to be better.
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The greatest deception men suffer is from their own opinions.
Leonardo DaVinci
Locally available materials? Like, who keeps vats of bacteria around?
But there is great potential in this approach I'm sure. I especially like that they're thinking of actual living structures. Eventually we'll be 'building' houses by planting a house seed?