She dreams in colour, she dreams in red, can’t find a better man (Better Man, Pearl Jam) Today I bring another experiment based on The Quick Draw! Data from Google, one of my most fortunate discoveries of the last times. The Quick Draw! is a web game developed by ...

All that noise, and all that sound, all those places I have found (Speed of Sound, Coldplay) Some days ago, my friend Jorge showed me one of the coolest datasets I’ve ever seen: the Google quick draw dataset. In its Github website you can see a detailed description of ...

Someday you will find me caught beneath the landslide (Champagne Supernova, Oasis) I recently read a book called Snowflake Seashell Star: Colouring Adventures in Numberland by Alex Bellos and Edmund Harris which is full of mathematical patterns to be coloured. All images are truly appealing and cause attraction to anyone ...

Music is a world within itself, with a language we all understand (Sir Duke, Stevie Wonder) This serious man on the left is Gustav Theodor Fechner, a German philosopher, physicist and experimental psychologist who lived between 1801 and 1887. To be honest, I don’t know almost anything of his life or ...

Con las bombas que tiran los fanfarrones, se hacen las gaditanas tirabuzones (Palma y corona, Carmen Linares) This time I draw Franky again using an algorithm to solve the Travelling Salesman Problem as I did in my last post. On this occasion, instead of doing just one single line drawing, ...

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road (Stephen Hawking) Imagine a salesman and a set of cities. The salesman has to visit each one of the cities starting from a certain one ...

Apriétame bien la mano, que un lucero se me escapa entre los dedos (Coda Flamenca, Extremoduro) I have the privilege of being teacher at ESTALMAT, a project run by Spanish Royal Academy of Sciences that tries to detect, guide and stimulate in a continuous way, along two courses, the ...

Mathematics is a place where you can do things which you can’t do in the real world (Marcus Du Sautoy, mathematician) From time to time I have a look to some of my previous posts: it’s like seeing them through another’s eyes. One of my first posts ...

Now that Twitter allows 280 characters, the code of some drawings I have made can fit in a tweet. In this post I have compiled a few of them. The first one is a cardioid inspired in string art (more info here): This other is based on Fermat’s spiral (more ...

For me, mathematics cultivates a perpetual state of wonder about the nature of mind, the limits of thoughts, and our place in this vast cosmos (Clifford A. Pickover – The Math Book: From Pythagoras to the 57th Dimension, 250 Milestones in the History of Mathematics) I am a big fan of Clifford ...

There was something about them that made me uneasy, some longing and at the same time some deadly fear – Dracula (Stoker, Bram) Twitter is a very good source of inspiration. Some days ago I came across with this: Mi presentación sobre análisis de textos con R para el ...

Well I walk upon the river like it’s easier than land (Love is All, The Tallest Man on Earth) The Metropolitan Museum of Art provides here a dataset with information on more than 450.000 artworks in its collection. You can do anything you want with these data: there are no ...

Blue dragonflies dart to and fro I tie my life to your balloon and let it go (Warm Foothills, Alt-J) In my last post I did some drawings based on L-Systems. These drawings are done sequentially. At any step, the state of the drawing can be described by the position (...

Don’t worry about a thing ’cause every little thing gonna be alright (Three Little Birds, Bob Marley) One of my favourite books is The Computational Beauty of Nature by Gary William Flake where there is a fantastic chapter about fractals in which I discovered the L-Systems. L-Systems were conceived  ...

Andar, lo que es andar, anduve encima siempre de las nubes (Del tiempo perdido, Robe) If you give importance to colours, maybe you know already COLOURlovers. As can be read in their website, COLOURlovers is a creative community where people from around the world create and share colors, palettes and ...

Bach, the epitome of a musician who strove all life long and finally acquired the ‘Habit of Perfection’, was a thoroughly imperfect human being (John Eliot Gardiner, Bach: Music in the Castle of Heaven) Sometimes I dream awake and imagine I am a famous musician.  I fantasize being Paco de ...

Remember me, remember me, but ah! forget my fate (Dido’s Lament, Henry Purcell) A Voronoi diagram divides a plane based on a set of original points. Each polygon, or Voronoi cell, contains an original point and all that are closer to that point than any other. This is a ...