Recent content by dvdt

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    History Survive and Get Rich/Famous/Powerful in History: Time Travel Test

    I was thinking along these lines too, but on the other hand maybe you could pick a critical point in history and dedicate yourself to changing it. Something that knowledge of the future could really act as an inflection point for. Presumably whatever it is, also requires that people not...
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    I What is a Space-Time Crystal?

    Thanks for the explanation, and the links!
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    I What is a Space-Time Crystal?

    I know what the definition is, but the concept it's conjuring for me seems in my experience of learning about these things, to indicate that I'm missing the point completely. What does it mean for something to be oscillating when it's in a ground state? I was under the impression that such a...
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    Other Reading 'Gravitation', I need more background....

    I'm by no means wedded to any textbook or any of that, and your advice makes sense to me. If I'm getting this right, I should take some calculus courses from intro onward, focus on SR, Switch to 'Gravity', and change my thinking to something like (for me) a 4 year plan or so. This is exactly the...
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    Other Reading 'Gravitation', I need more background....

    I see, that's a good point. In terms of mathematics I've only been formally taught through what was called "Pre-calculus". Beyond that I know what I either learned in school in classes that were frankly unrelated to STR/GTR, and what I've pieced together over years of reading books like Prime...
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    Other Reading 'Gravitation', I need more background....

    I've just reached the opening in chapter 2 wherein there's a brief discussion of concepts and math which should be familiar to the reader (Basic SR stuff it seems), and I'm not familiar with it unfortunately. I am familiar with future and past light cones, and the language of causality, but not...
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    Are You New to Our Forum Community?

    Thanks very much!
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    Are You New to Our Forum Community?

    Hello, I'm signing up for these forums. I'm not sure how much I'll be posting, but I've enjoyed reading them for a while and I wanted to make an account so that it was an option.
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