this post was submitted on 06 Jun 2026
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Lemmy Shitpost

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all 33 comments
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[–] helpImTrappedOnline@lemmy.world 1 points 2 minutes ago

Crime shows; Pull up the satilight view. Zoom in. There, what's that spec? Enhance. There's our guy, move out!

[–] Raiderkev@lemmy.world 8 points 2 hours ago

It took me a while, but the payoff when it finally gets there is great.

[–] ivanafterall@lemmy.world 18 points 5 hours ago

Does a nude woman jiggling down a beach not count as NSFW anymore!?

Alright….. I fell for that.

[–] pineapplelover@lemmy.dbzer0.com 7 points 4 hours ago (1 children)
[–] MathiasTCK@lemmy.world 1 points 35 minutes ago

This made me research the coastline paradox

https://en.wikipedia.org/wiki/Coastline_paradox

[–] Misty@lemy.lol 3 points 4 hours ago

I'm still squinting to see...

[–] MeatPilot@sh.itjust.works 20 points 8 hours ago
[–] raspberriesareyummy@lemmy.world 16 points 8 hours ago* (last edited 8 hours ago) (1 children)

No I can't see it. Anyone willing to enlighten me?

Edit: nm, didn't realize it was a gif.

[–] Treczoks@lemmy.world 2 points 5 hours ago

Same here.-

[–] gandalf_der_12te@feddit.org 5 points 6 hours ago

infinite real estate! how practical :D

[–] Resonosity@lemmy.dbzer0.com 3 points 6 hours ago

Thanks I hate it

[–] Makeshift@sh.itjust.works 19 points 10 hours ago

This successfully hurt my brain.

[–] Big_Boss_77@fedinsfw.app 45 points 13 hours ago (3 children)

Reminds me of the conundrum of being unable to measure shoreline

[–] Akasazh@lemmy.world 9 points 8 hours ago

Alan Davies (of qi fame) once made a documentary where he tried to measure the length of a piece of string, the shoreline issue also comes up.

https://www.bbc.co.uk/programmes/p00whwmc

[–] Naz@sh.itjust.works 4 points 10 hours ago (2 children)
  1. Imagine an island (e.g: Bermuda, Hook Island, Sardinia, etc)

  2. Draw a square or rectangle approximating all of the land not currently touching water (e.g: All pixels must not contain water)

  3. Draw a larger red square encompassing the smaller red square or rectangle.

  4. Subtract any brown, green, or "land" pixels, and add them to the total count of Box_1.

  5. Remove green, blue and other "water" pixels from Box_2.

  6. Your final result will be a red outline precisely mapping the coastline of the island in question. You can now measure distance by taking pixels and multiplying by the scale of the zoom-distance (parralax).

[–] FishFace@piefed.social 5 points 5 hours ago

Over a very broad range of scales (like, from the scale of 10km down to the scale of 1mm) the number of boundary pixels of a natural shape like an island increases according to a power law as you increase the resolution.

This means that your approach doesn't give you an objective value because it depends so strongly on the resolution.

This way of computing the length of a boundary leads to the concept of box-counting dimension. When you increase the resolution of the pixel grid, you'll get a larger number of pixels on the boundary. Keep refining the grid many times. Graph the log of the total number of pixels against the log of the number of boundary pixels. The box counting dimension is the slope of that graph.

Why would we call this "dimension"? Because if you do this to a line, the slope is 1, and if you do it to a square, the slope is 2.

More information: https://en.wikipedia.org/wiki/Fractal_dimension?wprov=sfla1

[–] mushroomman_toad@lemmy.dbzer0.com 23 points 10 hours ago (2 children)

This measurement is a factor of pixel size. As resolution increases and pixel width approaches 0, the shoreline length approaches infinity.

Though I guess you'd eventually run into the problem of clearly defining the shoreline once you're distinguishing between water molecules and grains of sand. is the water between the sand molecules part of the ocean? How concave is the boundary on the stretches between sand grains?

[–] CannonFodder@lemmy.world 6 points 7 hours ago

And of course, it's dynamic as tides and waves change it. And how does wet sand due to rain play into it - we're now having to differentiate based on salinity of water.

[–] Naz@sh.itjust.works -1 points 9 hours ago (1 children)

Oh that's funny. I see what you're doing 😆

Philosophers are no longer permitted on the beach 🚧 (/s)

[–] stupidcasey@lemmy.world 4 points 10 hours ago* (last edited 10 hours ago) (2 children)

Just get a small enough ruler either you'll measure the shoreline and disprove calculus or you'll solve quantum physics.

[–] marcos@lemmy.world 3 points 2 hours ago

Well, if you get a small enough ruler you will already disprove quantum physics. No need to use it for anything.

[–] Klear@piefed.world 2 points 4 hours ago

At best you'll disprove shoreline.

[–] Imke@feddit.org 14 points 10 hours ago
[–] Aarkon@discuss.tchncs.de 34 points 12 hours ago (1 children)

Fractal shorelines. Always a pleasure to behold.

[–] applebusch@lemmy.blahaj.zone 7 points 8 hours ago (1 children)

hmm yes this beach is made of beach

[–] 0ops@piefed.zip 1 points 4 hours ago

Son of a beach

[–] Zier@fedia.io 6 points 9 hours ago

It's Fractal Beach, DUH!

[–] melsaskca@lemmy.ca 2 points 7 hours ago

Those are turtles!

[–] Admetus@sopuli.xyz 9 points 11 hours ago

Infuriating but pretty cool

[–] Glitterkoe@lemmy.world 2 points 9 hours ago

Unexpected Dumpert.nl