Labels:text | screenshot | font OCR: analyzes the rate of water flow at various depths in order to gauge water pressure. He then compares the nature of moving water and still water, reasoning that still water does not exert pressure on the bottom. His evidence for this conclusion is the waving motion of the grasses that grow on the bottom and "the very light mud at the bottom of marshes, which has almost the lightness of water itself; instead, had the water gravity over it, it would be compressed and almost petrified; the contrary being shown, the axiom that water does not
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