Reposted by Tim ChartierMassimo (mirror) @rainmaker1973-m.bsky.social · 4hA little girl told the bus driver this was her favorite song, so he turned up the music and they danced together. Original post 22781160
Tim Chartier @timchartier.bsky.social · 12hEveryone here is chasing someone. Nobody ever catches up. A curve of pursuit: each corner of a shape steps toward its neighbor. 60 little chases in 12 petals, and the glow is just where the lines pile up. inspired by @helsig.bsky.social's posts #generativeart #mathart #creativecoding 1103
Reposted by Tim ChartierDaniel Wilson @helsig.bsky.social · 28/09/2026Curves of pursuit art #MathArt 14412
Tim Chartier @timchartier.bsky.social · 25/09/2026Here's a statement I made in an email I just wrote. I liked it so much I had AI make this. 010
Reposted by Tim ChartierLuca @lucagalletti.bsky.social · 24/09/2026This rare 1920s original expanding dining table by furniture designer Josef Seiler who invented and patented the "Liegnitz Ringtisch", a mechanism that allows a round table to increase its overall diameter while remaining perfectly circular. IG; @galeriebalbach www.instagram.com/galeriebalba... 831687290
Tim Chartier @timchartier.bsky.social · 23/09/2026The Mona Lisa, grown the way a sunflower grows its seeds. 080
Tim Chartier @timchartier.bsky.social · 23/09/2026Stephen Curry, taking “ball handling” to a whole new level. 🏀🏀🏀 One basketball simply isn’t enough. youtube.com/shorts/Sqflc...youtube.comSTEPH CURRY SHOW HIS INSANE JUGGLING SKILLSYouTube video by Fusement Family 010
Tim Chartier @timchartier.bsky.social · 22/09/2026Same Great Wave. Entirely different characters. 🌊😎😂🤯 Hokusai's famous painting, reimagined as an emoji mosaic. 020
Reposted by Tim ChartierBlue Wave @votebiue.bsky.social · 20/09/2026Tell me this doesn’t give you chills. Japan opened the 12D theater. It is beyond your imagination. 42438001248
Tim Chartier @timchartier.bsky.social · 21/09/2026Her smile may be mysterious, but the mathematics is right there in the panes. The Mona Lisa, reimagined as mathematical stained glass. #MathArt #MonaLisa 071
Tim Chartier @timchartier.bsky.social · 21/09/2026Wonderful story. www.nytimes.com/2026/09/06/s...nytimes.comThe 92-Year-Old Mathematician and the Teenage Apprentice (Gift Article)Joan Birman thought her major discoveries were behind her. Then came an email from a young neighbor — a girl who knew little but wanted to learn. 0113
Reposted by Tim ChartierDigital Brain @yourdigitalbrain.bsky.social · 19/09/2026A typeface built to feel like real handwriting, not just imitate it. Here's how this font blurs the line between type and pen. 09911
Tim Chartier @timchartier.bsky.social · 19/09/2026When two photos become one… Not Photoshop—linear algebra! A linear combination of two image matrices creates something entirely new. #MathArt #LinearAlgebra 020
Tim Chartier @timchartier.bsky.social · 18/09/2026Plot twist: every line in this portrait is a polynomial. Sometimes mathematics reveals the bigger picture—if you’re willing to step back and look. Can you see the hidden image? #MathArt 0192
Tim Chartier @timchartier.bsky.social · 18/09/2026They say a picture is worth a thousand words. This one brings the idea full circle. Look closely: the portrait is made entirely from concentric circles. Create your own mathematical mosaic at: lifeislinear.davidson.edu/circleArt.html #MathArt #MathematicalMosaic 071
Reposted by Tim ChartierJosé Ángel Iranzo @ja-iranzo.bsky.social · 17/09/2026Looks really nice! We recently published a paper on reproducing images using Tetris pieces. In our case, each type of piece is always the same color, so we work with grayscale images. doi.org/10.1080/1751... bsky.app/profile/ja-i...doi.orgMaking mosaics from Tetris®tilesThis paper addresses the problem of reproducing greyscale images using mosaics composed of tetromino tiles, the building blocks of the well-known puzzle game Tetris®. An integer linear optimization... 041
Tim Chartier @timchartier.bsky.social · 17/09/2026Pleased to have Weighted Voronoi stippling implemented. Cool look! 0262
Tim Chartier @timchartier.bsky.social · 16/09/2026Me: builds an image generator where Tetris pieces fall into place to form a picture Also me: realizes halfway through that the pieces just phase through each other like ghosts Ship it anyway. 👻🧱 2112
Tim Chartier @timchartier.bsky.social · 16/09/2026My code plays "Tetris" with your photos — squares that are "close enough" in color just... merge. No falling pieces, no line clears, just an image slowly collapsing into blocks. 🟨🟧🟫 070
Tim Chartier @timchartier.bsky.social · 15/09/2026Adaptive mesh refinement in a mosaic. Got the idea off a wall pattern during a meeting! 1221
Tim Chartier @timchartier.bsky.social · 15/09/2026The pattern on a wall during a meeting caught my eye and I had an idea to mesh refine based on variation of the color in a mosaic's tile. Each triangle in this mosaic is a solid color. 030
Reposted by Tim ChartierRamin Nasibov @nasibov.me · 13/09/2026Picasso lived for 33,000 days and created 30,000 works. Just make more. 191
Tim Chartier @timchartier.bsky.social · 13/09/2026Pixel art with 12-packs. @baabbbaash.bsky.social 040
Reposted by Tim ChartierDave Richeson @divbyzero.bsky.social · 10/09/2026"What's the Steelers' logo?" www.youtube.com/shorts/NwQg8...youtube.comAn audience member (#BrooksAllison) helps Jimmy break down #NFL team logos with a rap 🏈YouTube video by The Tonight Show Starring Jimmy Fallon 021
Reposted by Tim Chartierꭓle Ormsby 𓆙 @e-infinity.space · 08/09/2026Now ready for you to enjoy: e-infinity.space/picture-book/ #MathArt #MathSky 57821
Reposted by Tim ChartierDave Richeson @divbyzero.bsky.social · 07/09/2026Whenever I had a few minutes over the last few days, I created a new shape for my "impossible objects" library. Want to make a cactus/cowboy boot shape? You can now. I also implemented a visual picker to replace the drop-down menu. I plan to keep adding to it. divisbyzero.github.io/impossible-o... 1237
Reposted by Tim ChartierContempraInn 🌹 @contemprainn.bsky.social · 05/09/2026GOOGLE MAPS SHOWS YOU STREETS. THIS WEBSITE SHOWS YOU THE MOVIE SCENES FILMED ON THEM. it's called Movie Scene Map → moviescenemap.com 15,716 real filming locations. 166 countries. one map. click any pin. see what was filmed there.moviescenemap.comMovie Scene Map — Where Films & TV Series Were Actually FilmedA free interactive map of real filming locations, built from Wikidata, plus the real places video games are set in. Search a title to see where it was shot, or a place to see what was made there. 56120
Reposted by Tim ChartierMassimo (mirror) @rainmaker1973-m.bsky.social · 05/09/2026Anthony Howe is a kinetic sculptor who creates wind-driven sculptures resembling pulsing, alien creatures and vortices. This one is in downtown Montreal. Original post 21573401351
Reposted by Tim ChartierDave Richeson @divbyzero.bsky.social · 04/09/2026I've been thinking about how to best display and view my impossible objects. Here's what I've come up with so far. The feet fit into the spinner to line up the object. The spinner turns 180°. The window forces the viewer to look down at a 45° angle. And the mirror has a slot to hold it at the 5368
Tim Chartier @timchartier.bsky.social · 03/09/2026Teach Buffon's needle to estimate pi? Here's an online simulator I had ChatGPT help me code. Took about 15-20 minutes to create. This is for the length between the lines equaling the length of the needle. lifeislinear.davidson.edu/210/buffon.h...lifeislinear.davidson.eduBuffon’s Needle LabDrop random needles and watch an estimate of π emerge. 010
Tim Chartier @timchartier.bsky.social · 01/09/2026One of the squirrels is what I think the first week of classes will feel like - the other is inevitably what happens. 010
Reposted by Tim ChartierDigital Brain @yourdigitalbrain.bsky.social · 31/08/2026A corgi gets a stronger push than expected 81039
Reposted by Tim ChartierLuca @lucagalletti.bsky.social · 29/08/2026When you're mid climb but you have to stop to make friends with the locals. 🐐 IG: @cakejaggaley Chamonix, France 1001341233
Reposted by Tim ChartierDave Richeson @divbyzero.bsky.social · 26/08/2026Thank you, @moduality.bsky.social for pointing out the weird shadows of my impossible objects. That got me to think of yet another way to show how weird they are. Here, a light is shining down from behind at a 45° angle! 5508
Reposted by Tim ChartierLibrary of Congress @librarycongress.bsky.social · 25/08/2026The Library is devastated to learn of the passing of Dolly Parton, a music legend and titan of children's literacy. Her Imagination Library program has earned multiple Library Literacy Awards and, in 2018, she visited us to donate its 100 millionth book to our collection and host a story time. 🦋❤️ 194335177159
Reposted by Tim ChartierDave Richeson @divbyzero.bsky.social · 24/08/2026Here are a few more impossible objects: the duck/rabbit illusion and the hand/foot illusion. 1255
Reposted by Tim ChartierDave Richeson @divbyzero.bsky.social · 22/08/2026More impossible arrows  310318
Reposted by Tim ChartierDaniel Wilson @helsig.bsky.social · 23/08/2026Flattened spherical waveform with filter effects. #Abstract #ComputerArt #CreativeCoding #DigitalArt #MathArt 0172
Reposted by Tim ChartierMassimo (mirror) @rainmaker1973-m.bsky.social · 22/08/2026Teamwork Original post 1531748
Reposted by Tim ChartierRae Radford @raeradford.bsky.social · 20/08/2026Absolutely! #BookSky 17273921382
Reposted by Tim ChartierLuca @lucagalletti.bsky.social · 15/08/2026Homer Simpson disappearing into hedge (in Lego) Credit to Jason Allemann & Kristal / @jkbrickworks 332652600
Reposted by Tim ChartierDigital Brain @yourdigitalbrain.bsky.social · 14/08/2026Nine straight games without a single goal. Instead of staying quiet, fans grabbed a sign and literally pointed the team to the goal post. 1825038759