leak to lift levitation system with bunker
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A bunker, fully stocked with canned goods, preserves etc. constructed from cinder blocks is slowly levered in the air by the gradual displacement of the weight of water. The water pump and leak valve are controlled with an MMMSE.

alternate versions (not illustrated):
  • instead of a bunker, a replica of a remote wilderness cabin
  • "Trailer Trash" a trailer (semi-trailer or mobile home) with untethered contents balances as a teeter totter on a central pivot, moving as described above, slowly pulverizing contents