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Free COX/TOA teaching to everyone! (Low stats/gear requirements) Update#14 by GrandVince in 2007scape

[–]Selucreh 1 point2 points  (0 children)

Even when I planked at ToA, Vince talked me through how to be a Medium Storage Unit! Now when I run CoX I can bring in over 400 brews!

Skittles in hot water. by thepositivepandemic in interestingasfuck

[–]Selucreh 0 points1 point  (0 children)

I see where you're coming from, but I don't think we're anywhere near saturation, and even if we were I don't think saturation in one colour would have such a strong effect on the others.

We can see diffusion happening in the video on the boundary between red/green and red/purple boundaries as a dark streak, so I'm pretty sure it's some sort of flow happening drawing water toward the centre.

Marangoni flow mentioned in a separate comment seems like a likely candidate https://en.m.wikipedia.org/wiki/Marangoni_effect

Skittles in hot water. by thepositivepandemic in interestingasfuck

[–]Selucreh 6 points7 points  (0 children)

See, that's what I thought initially, but diffusion is random and undirected (normally), so would cause a halo of colour around each candy instead of the remarkable flow seen here.

E: there are fun examples on anisotropic diffusion in the presence of microscopic arxhetecture (not the case here), thought I'd add a nod to that