Eli Parra  

@elzr

Load-bearing visual explanations: diagrams, comics, animations.. Math, beauty, philosophy, programming, science, mind, lifestyle, music, finance..

Guadalajara, Mexico  
Joined May 2007

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  1. Pinned Tweet
    4 Sep 2019

    Logic & arithmetic merge in logic gates & binary numbers. This experimental comic visualizes from bits to adders, without encapsulating symbols. See parts in mind-numbing detail while perceiving the whole: 's closure, 's sequential & simultaneous duality.

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  2. Retweeted

    An elegant little lesson in design & usability: How could we make chess pieces explain what they do, rather than requiring beginners to remember the ruleset? This design by has pieces that show you how they move, and how important they are by size.

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  3. Jan 19

    Here's how I track a habit like 🏊‍♂️🏋️‍♂️ exercise or 🎹music practice: if I do it at least 3 times per week, I've sustained the habit & my weekly streak is unbroken. It's a nice mix of flexibility, minimum & motivation that works for me. My longest 2019 streak was 17 weeks!

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  4. Jan 9

    “[My stories] struggle to come to terms with what it will mean when our growing ability to scrutinize & manipulate the physical world reaches the point where it encompasses the substrate underlying our values, memories & identities.” ~

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  5. 23 Dec 2019

    William Godwin’s Political Justice/1793 is fantastical scientific philosophy. It inspired the best such book yet, ’s Beginning of Infinity/2011. Mary Shelley, Godwin’s daughter, cristallized modern sci-fi with Frankenstein/1818, philosophical scientific fantasy.

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  6. 15 Dec 2019

    5 years ago I also made a comic/collage about the 5 things I was most passionate about: online communities, learning, interface culture, documents & counters. The references are now a bit dated but each facet has only grown richer with time. It remains a map of my heart & mind.

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  7. 8 Dec 2019

    Here’s some more of his work. Follow him here on Twitter or Instagram: It has me seeing panels everywhere I look!

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  8. 8 Dec 2019

    l love the fourth-wall breaking of ! His panel-breaking feels native to comics: a playful bending of both time (sequence) AND space (layout, perspective). Such meta games often mess with causality but he’s all about shifts in perception & POV. cc

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  9. Retweeted
    30 Nov 2019
    Replying to

    The movement, enabled by dot-gridded notebooks (!), seems to me about drawing your own interface & dashboard. Coming up with the representations that work best for you, sharing them, redoing them to internalize & evolve them. Not a bad inspiration for UI’s future!

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  10. 2 Nov 2019

    When I die, burn nothing. Leave the crap there, because it’s part of my journey, and that journey has a value. People who came from where I did, and who were given the thoughts I was given, should know that the future can be different from the past. ~

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  11. 6 Oct 2019

    Cubes, however, can't be dissected into finitely many unequal cubes! Littlewood states it beautifully in his 1953 Mathematical Miscellany (from a 1940 paper by Tutte et al). It's philosopher Ian Hacking's favorite example of a fresh, satisfying proof. Here's the proof as comic:

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  12. 6 Oct 2019

    Squares can be dissected into non-repeating squares! This is called perfect square dissection, squaring the square. This one's the smallest possible, a lovely arithmetic/geometric pattern you can check sudoku-like. See & 's thread for lore.

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  13. Retweeted
    22 Sep 2019

    Yes to all this! I was also very taken by how self-similar Huizenga's spiral was: circles in a circley coil, growing as they zoom. Biological structures are made of such coilings to achieve density! I'm even imagining a zoom interaction like 's Osmos.

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  14. Retweeted
    21 Sep 2019
    Replying to

    Love the question! Trees of constant branching can take you from Roman to positional numerals in a short, visual path that skips algebra. Name leaves by their branch sequence. Enumerate. Then, to keep leaf names level-invariant ignore the first branch's symbol (0!) when leading.

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  15. 19 Sep 2019

    A monthmap by decade from 2020-1901. This gets autobiographical fast: Map out your life across the years! Make one for your parents! Get topsight. This link will make a PRIVATE copy on YOUR Google Sheets. It’s just a spreadsheet so go ahead & change it!

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  16. 19 Sep 2019

    A weekmap of 2019: 📅+ 📔+ 🧮. Reflect on the year as you live it. Annotate your weeks with plans, summaries, landmarks. See how long since & until. This link will make a PRIVATE copy on YOUR Google Sheets. It’s just a spreadsheet so go ahead & change it!

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  17. 19 Sep 2019

    I want better ways to orient myself in time. Something like 📅calendar & 📔journal, with a bit of 🧮spreadsheet. I’m a 🐠goldfish with time: always forgetting, misremembering, jumbling. So I made these 🗺TIME MAPS. Me & some friends love using them. Now you can try them too!

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  18. Retweeted
    17 Sep 2019

    You can translate a computer program into a set of tiles: attempting to tile the plane necessarily 'runs' the program. Here's a tiling attempt using tiles from a palindrome-checking program, on inputs 10010 and 10101. Details in thread, 1/n. (I'm fond of this one, please RT)

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  19. 16 Sep 2019

    Feliz cumpleaños Mexico! 🇲🇽 Me da gusto haber nacido dentro de un idioma con cosas tan bellas como La Chona de , el Ojalá de Silvio Rodríguez y el análisis de :

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  20. 13 Sep 2019

    It's funny that I found this today, a year ago to this day I did a self-similar tile-map: it's just a static image but manages to be interactively recursive by your standing on it.

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  21. 13 Sep 2019

    Sometimes you exist in several scales at the same time!

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