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Does space “flow“ like a river? There's an analogy in General Relativity positing exactly that, and which, astonishingly enough, conveys the sophistication of Einstein's theory via a few simple intuitions. But how truthful is such a view, and what would it imply about the most infamous of massive objects to inhabit our universe -- that of the black hole? Climb aboard our river-boat and find out! Plus -- Curious Edgar finds himself in more than one vertiginous predicament. Credit for the thumbnail title goes to this webpage: ~ajsh/insidebh/ Please consider supporting us on Patreon: Content: 00:00 - Intro 01:05 - The Set-Up 01:54 - Accelerated Frames & “Flowing“ Space 04:24 - Acceleration at the Surface of the Earth 06:10 - Reinterpreting Gravity 07:36 - Riverine Analogies 11:12 - Constructing the River of Space 12:43 - Phenomena on the River 1
