Tweet Archive 2021 01
The Mandelbrot set is a churning machine. Its job is to fling off the red pixels and hang onto the green ones.
Audio by @Dorfmandesign
The Kuramoto-Sivashinsky equation has some fascinating dynamics. I stumbled across this example of it oscillating between square- and hexagonal-packing.
Video: https://www.youtube.com/watch?v=32shO3hRpV0
A paper about KSE: https://doi.org/10.1098/rspa.2014.0932
Thanks for Dan Wills for implementing it in Ready.
Replying to @rickyreusser
My domain size is only two peaks wide. At that size the alternating behavior starts by itself from random initial conditions, and seems to run indefinitely. (Very occasionally it will get stuck as a square grid.) Is it resonance?
Replying to @rickyreusser
It does. KSE patterns will be included in the next release of Ready, thanks to Dan Wills. https://github.com/GollyGang/ready (Build it yourself or DM me for a build.)
RT @simonstalenhag: Just a reminder that if you have Prime you should really watch Tales From The Loop, if you haven’t already. It’s still…
New Lego sets designed for adults. https://twitter.com/NewElementary/status/1344612273369845762
Replying to @FlexMonkey
“America is Rome. Of course, why shouldn’t it be? All of Western life and institutions today are traceable to the Romans and their world. We are all Roman children for better or worse.”
https://twitter.com/vermindust/status/1345746471639986179
Replying to @Ceremona
Yangshuo. I’d love to go there one day! https://www.intrepidtravel.com/adventures/yangshuo-china-guide/
Replying to @Ceremona
To be precise about this exact frame (I love this sort of game), I think it must be Dashujiao, under Mashan Mountain, Yangshuo County, Guilin, Guangxi, China. :) https://www.google.com/maps/place/Dashujiao,+Yangshuo+County,+Guilin,+Guangxi,+China/@24.9294831,110.4885599,4584a,35y,100.72h/data=!3m1!1e3!4m13!1m7!3m6!1s0x36a5af8abd6a9547:0x9f21771d3205ca00!2sYangshuozhen,+Yangshuo+County,+Guilin,+Guangxi,+China!3b1!8m2!3d24.773759!4d110.495339!3m4!1s0x36a5ad1260d2c9a9:0x11527441b30d4555!8m2!3d24.9236313!4d110.4943675?hl=en-GB
Replying to @Ceremona
A better search term for visiting is Xianggong Hill, which is where the photo was taken from.
If you’re trying to remember a song it’s probably this one. https://www.youtube.com/watch?v=2-BRJgtFyMs
git add -u
Stages only the changed files, not any new ones you might have created.
Is this your most frequent git command? If not, what is?
RT @politicsofnv: British people might feel shocked and superior but a far-right supporter murdered an MP over here, and his slogan was rep…
Replying to @zzznah
If the process of how particles arise from continuous fields in Quantum Field Theory related at all to how solitons arise in reaction-diffusion, I wonder?
https://madeofmistake.com/meaningful-wish By @madeofmistak3
RT @designboom: hayri atak proposes the striking, sinuous ‘sarcostyle tower’ for the new york skyline https://www.designboom.com/architecture/hayri-atak-sinuous-sarcostyle-tower-new-york-skyline-01-20-2021/ https://t.co/…
Replying to @jgrahamc
(I wonder if we could make optic cables with air inside a reflective tube, to increase the speed.)
RT @StudyMaths: Occupying my mind with random thoughts…why is this not a thing?
The Korteweg-de Vries equation (1895) is a model of shallow water waves.
da/dt = -0.5 * a * da/dx - d³a/dx³
How do the waves manage to pass through each other!?
Simulated as 256 floats. One of the new patterns in Ready 0.11.0: https://github.com/GollyGang/ready
Replying to @topologic_apple and @sindero
Other than being rare in this sort of PDE, can you explain why you feel it’s weird?
RT @g_merzon: @gregeganSF can’t resist mentioning the only known dissection of an equilateral triangle into five congruent parts (M.Patrake…