Why coastlines can’t be accurately measured

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Recently a lot of videos have popped Up for me claiming that you can’t accurately measure the coastline of a landmass cause the smaller of a “ruler” you use, the longer of a measure you get due to the smaller nooks and crannies you have to measure but i don’t get how this is a mathematical problem and not an “of course i won’t measure every single pebble on the coastline down to atom size” problem”. I get that you can’t measure a fractal’s side length, but a coastline is not a fractal

In: Mathematics

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Anonymous 0 Comments

It seems that once you get down to Planck units you ought to be able to come up with a reasonable answer, since any smaller unit is meaningless.

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