History of Science and Technology Q&A for Kids and Others (March 24, 2021)
The Stephen Wolfram Podcast
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Newton's Theory of Gravity
For newton, what the universal meant was it applies to the sun versus the earth. And could that correctly account for the motion of the moon and things like when eclipses would occur? We now kind of suspect it sort of a computationally irreducible problem. But nevertheless, einstein had this er idea that you had to be able to just have a fixed notion of distances in space but they had to be things where, depending on what reference frame you're using, you get a different answer.
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