Discover and read the best of Twitter Threads about #trimtab

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1/ This fantastic image of the Suez Canal digger reminded me of the concept of #trimtab defined by Buckminster Fuller.
2/ A trimtab is basically a tiny rudder for the actual rudder of a ship or plane. Turn the trimtab a little, it turns the rudder, which in turn turns the ship. The person driving the excavator is basically a trimtab.
3/ He pulls a small lever, which in turn activates the long arm of the excavator, which then digs the sand around the boat, which then frees up the boat, which then opens up the canal, which then restarts the flow of world trade.
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