My favorite folk explanation of general relativity (due to J. A. Wheeler I think) is: people think if all matter disappeared, space and time would remain, but GR says, if all matter disappeared, space and time would disappear too
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Or to put it in generalized void-theoretic terms for those of you who liked
@sarahdoingthing talk at refactor camp -- if you take away the stuff whose interstices form voids, the voids disappear too... cc@kneelingbusShow this thread -
Though I wish there was a way to restate these insights in terms of fields rather than objects and interactions among them...
@gravity_levityShow this thread
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