Circles? Straight lines? or …

See the Pen Mathematical Circles by Dave (@sixhat) on CodePen.

I’ve been playing with some optical illusions, mainly in p5.js and recently came across this one on twitter, so I decided to re-implement it in codepen. It is just a bunch of circles moving around in Circular motion? is it?…

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and now: Mobile First

There you have it! The world is going mobile, and everybody reads everything on their smartphones. I’ve been trying to hack this lame show of a website for so long that many times I’ve been tempted to just scrape it and start all over.

But no. I’m sturburn. And persist where others quit….

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Per Bak and Kim Sneppen Model

The Per Bak and Kim Sneppen evolution model is one of the most simple and at the same time more elegant ways to show self-organised criticality.

The above demo is part of a vaster set of animations illustrating complex systems that I’m in the process of coding in javascript and P5. I…

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Tonight was the for night of something ‘baked’ at apple.

I stop following apple releases during a very high dose of caffeine. FEELS LIKE LAST CENTURY. But tonight I turned up my computer and went on listening to the news. It went like this:

naming things is worse that the pad days around Cupertino. Basically it might be dumb names down to freezing…

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Webgl 3D Picking objects in P5js with a color Buffer

P5js has a webgl mode that allows the creation of 3D worlds. But it lacks any kind of 3D picking. So lets implement a Colour buffer 3D picking for P5js for our sketches.

the code bellow is available at gist: Webgl 3D Picking in P5js with Colour Buffer

In a 3D webgl environment when you…

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fátima, o futebol e o fado, por esta ordem.

O 3 Fs do Salazar tiverem ontem a 13 de Maio — que provavelmente vai passar a ser feriado nacional, com comemorações compulsivas e lavagem cerebral das criancinhas nas escolas portuguesas — como dizia, tiveram ontem um dia em cheio. E se o papa era Franciscano, e o Benfica não pertence ao…

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Graphs are Fun!

Made in P5.js while listening to Peace like a River – Click on canvas to Reset.

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hypnosis FFFA#F

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Clustering of architectural floor plans: A comparison of shape representations

Eugénio Rodrigues, David Sousa-Rodrigues, Mafalda Teixeira de Sampayo, Adélio Rodrigues Gaspar, Álvaro Gomes, Carlos Henggeler Antunes


Generative design methods are able to produce a large number of potential solutions of architectural floor plans, which may be overwhelming…

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Moving to HTTPS only.

After so long being a bit lazy about the web I’ve decided to move my site to HTTPS only. It protects you, me, and everyone else. A safe web is a priority. You must be able to trust the connection between your computer and the site you visit. So for now on, <> is going to be…

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AppleScript: Revised Document Statistics

This is a revised version of the clipboard document statistics script that I used some time ago. It now counts the paragraphs and includes a 1-button dialog box.

Count the number of characters, words and paragraphs in the clipboard
David R. –

To use place this script in your…

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The Second Machine Age: Work, Progress, and Prosperity in a Time of Brilliant Technologies ★★★★

The Second Machine Age: Work, Progress, and Prosperity in a Time of Brilliant Technologies ★★★★
by Erik Brynjolfsson, Andrew McAfee

This is a book the reflect upon. Well, not the book, but the ideas in it. The topics covered claim that we are living alongside a…

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The Great War for Civilisation: The Conquest of the Middle East 2★

The Great War for Civilisation: The Conquest of the Middle East 2★
by Robert Fisk

This book could have been very interesting if it was reduced to one third of its size. At more than 1000 pages it becomes very boring to read through. My advice? don’t bother with this one, or just…

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Can Future Faraday FF91 win the EV market?

Can the Future Faraday FF91 be it? One of my recent interests is Electric Cars, mainly because everything combustion engine is going the way of the dodo, and in particular because I need to replace my almost 20 year old Rover in the next few years.

The recent announcement of the Faraday…

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