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RE: Just got another 8000 Steempower rental thanks to @tytran so now my upvotes are worth over $1 each now which makes steemit very interesting now! + Hurricane proof and underground homes!
Really like the idea of the dome homes. I make a snow igloo hotel each year in the alps and am surprised by the strength of the form. They are made by spraying a big balloon with snow and when it freezes the balloon is deflated. I'm sure there is no reason way you couldnt spray it with concrete. Great exhaustive post