Saturday, September 03, 2022


The Niagara Gorge rapids show places where the water seems to sweep high over some obstacle, but the signage assures us that the bottom is scoured pretty flat. Reflections off the sides of the river could produce standing waves where the reflections interfere constructively. It reminded me of shock diamonds, except with incompressible fluid and an irregular channel which makes the reflections show up irregularly.

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