leonardo da vinci : the codex leicester

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how does water flow around three obstacles in a triangular formation?

a) the water flows between two obstacles and strikes a third obstacle standing behind them: a large cavity develops between the obstacles, for the water forces itself through the first two obstacles and then strikes frontall the obstacle behind. the deep cavity is caused by both the impact as well as the narrowed channel of current.

b) behind the obstacle which the water first strikes there are two further obstacles: no large cavity is created between the obstacles, since the hollow cavities form in front of individual obstacles and the first obstacle weakened the impact of the water against the subsequent obstacles.

 

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trennlinie

earth

  1. is the earth a living body?
  2. why is there ebb and flow in the atlantic and the mediterranean?
  3. how did the different forms of rock develop?
  4. why can't the moon be responsible for ebb and flow?
  5. does ebb and flow occur when two rivers meet?
  6. did the rivers carve up the mountains?
  7. why is it that an object that would sink in calm water does not sink in moving water?
  8. how did the strait of gibraltar and the sinai mountain range come into being?
  9. how can one discover the origin of ebb and flow?
  10. can one influence the confluence of two rivers?
  11. which waves are particulary strong when a river swells up?
  12. how does water flow around two obstacles standing one after another?
  13. what forms of stone are created by rivers and seas?
  14. does a stone sink vertically to the bottom when its dropped into moving water?
  15. how can one make the movements of water visible?
  16. how does water flow around two obstacles standing near each other?
  17. how does water flow around three obstacles in a triangular formation?

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