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Understanding hyperbolic geometry by illuminating it

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  1. acdw
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    This was a really cool video, but I'm afraid that, at least for me, the title is inaccurate. Maybe I'm over thinking hyperbolic geometry? I just know that it's the inverse (obverse? one of the...

    This was a really cool video, but I'm afraid that, at least for me, the title is inaccurate. Maybe I'm over thinking hyperbolic geometry? I just know that it's the inverse (obverse? one of the -verses) of spherical geometry, and you can crochet it (but not knit it!).