> learning geography by flat map projections only well, the map is flat more or ... | Hacker News

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posterboy on Nov 5, 2017 | parent | context | favorite | on: What is backpropagation and what is it doing? [vid...

> learning geography by flat map projections only

well, the map is flat more or less at closer zoom levels, so the general problem seems to be purely about lossy compression.

kobeya on Nov 7, 2017 [–]

...what? I don’t understand. It’s accurate at “close zoom” because the limit as you scale in to the surface of a sphere is a flat surface. I’m not sure what compression of any sort has to do with this.

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