Veganism Social

Dan Drake 🦆Crows can do geometry!<a href="https://www.npr.org/2025/04/12/nx-s1-5359438/a-crows-math-skills-include-geometry" rel="nofollow noopener" translate="no" target="_blank">https://www.npr.org/2025/04/12/nx-s1-5359438/a-crows-math-skills-include-geometry</a>The particular test involved crows identifying a shape that was different from some others -- very reminiscent of the "Which One Doesn't Belong?" book from Talking Math With Your Kids:<a href="https://talkingmathwithkids.com/wodb-about/" rel="nofollow noopener" translate="no" target="_blank">https://talkingmathwithkids.com/wodb-about/</a>(Last time I taught linear algebra, I did an assignment like that -- students had to come up with four matrices, and for each one of them, come up with some linear-algebraic way in which that matrix didn't belong with the other four. It was fun.)<a href="https://mathstodon.xyz/tags/tmwyk" class="mention hashtag" rel="nofollow noopener" target="_blank">#tmwyk</a> <a href="https://mathstodon.xyz/tags/crows" class="mention hashtag" rel="nofollow noopener" target="_blank">#crows</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/math" class="mention hashtag" rel="nofollow noopener" target="_blank">#math</a>

Alexis PierreDivide/mirror/fill<a href="https://mastodon.social/tags/generativeart" class="mention hashtag" rel="nofollow noopener" target="_blank">#generativeart</a> <a href="https://mastodon.social/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mastodon.social/tags/pattern" class="mention hashtag" rel="nofollow noopener" target="_blank">#pattern</a>

n-gonsHexagonal tiling with stars, squares and assymmetric kites for <a href="https://mathstodon.xyz/tags/TilingTuesday" class="mention hashtag" rel="nofollow noopener" target="_blank">#TilingTuesday</a><a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/Geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#Geometry</a> <a href="https://mathstodon.xyz/tags/Tiling" class="mention hashtag" rel="nofollow noopener" target="_blank">#Tiling</a> <a href="https://mathstodon.xyz/tags/Hexagon" class="mention hashtag" rel="nofollow noopener" target="_blank">#Hexagon</a>

foldworksFloor tiles, Imperial Citadel of Thăng Long, Hanoi, Vietnam <a href="https://mathstodon.xyz/tags/Tiling" class="mention hashtag" rel="nofollow noopener" target="_blank">#Tiling</a> <a href="https://mathstodon.xyz/tags/TilingTuesday" class="mention hashtag" rel="nofollow noopener" target="_blank">#TilingTuesday</a> <a href="https://mathstodon.xyz/tags/Pattern" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pattern</a> <a href="https://mathstodon.xyz/tags/Geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#Geometry</a> <a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/MathsArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#MathsArt</a> <a href="https://mathstodon.xyz/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#photography</a>

ƧƿѦςɛ♏ѦਹѤʞThe Thompson Problem. <a href="https://www.youtube.com/watch?v=dNTnk1VFoJY" rel="nofollow noopener" translate="no" target="_blank">https://www.youtube.com/watch?v=dNTnk1VFoJY</a> <a href="https://mastodon.social/tags/GolfBalls" class="mention hashtag" rel="nofollow noopener" target="_blank">#GolfBalls</a> <a href="https://mastodon.social/tags/polyhedra" class="mention hashtag" rel="nofollow noopener" target="_blank">#polyhedra</a> <a href="https://mastodon.social/tags/Goldberg" class="mention hashtag" rel="nofollow noopener" target="_blank">#Goldberg</a> <a href="https://mastodon.social/tags/maths" class="mention hashtag" rel="nofollow noopener" target="_blank">#maths</a> <a href="https://mastodon.social/tags/mathematics" class="mention hashtag" rel="nofollow noopener" target="_blank">#mathematics</a> <a href="https://mastodon.social/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mastodon.social/tags/electrons" class="mention hashtag" rel="nofollow noopener" target="_blank">#electrons</a>

Brokk O. LeeAufteilung | Fuji XT5 | XF23mmF1.4 <a href="https://pixelfed.social/discover/tags/Fotografie?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Fotografie</a> <a href="https://pixelfed.social/discover/tags/Photography?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Photography</a> <a href="https://pixelfed.social/discover/tags/FujiX?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#FujiX</a> <a href="https://pixelfed.social/discover/tags/BrokkoGrafie?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#BrokkoGrafie</a> <a href="https://pixelfed.social/discover/tags/StreetPhotography?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#StreetPhotography</a> <a href="https://pixelfed.social/discover/tags/CityScape?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#CityScape</a> <a href="https://pixelfed.social/discover/tags/UrbanPhotography?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#UrbanPhotography</a> <a href="https://pixelfed.social/discover/tags/Architecture?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Architecture</a> <a href="https://pixelfed.social/discover/tags/Geometry?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#Geometry</a>

foldworksI tried to model these origami as transformation between cube and octahedron in Geogebra, but ended up with this instead <a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/animation" class="mention hashtag" rel="nofollow noopener" target="_blank">#animation</a> <a href="https://mathstodon.xyz/tags/loop" class="mention hashtag" rel="nofollow noopener" target="_blank">#loop</a> <a href="https://mathstodon.xyz/tags/geogebra" class="mention hashtag" rel="nofollow noopener" target="_blank">#geogebra</a> <a href="https://mathstodon.xyz/tags/tetrahedron" class="mention hashtag" rel="nofollow noopener" target="_blank">#tetrahedron</a> <a href="https://mathstodon.xyz/tags/3d" class="mention hashtag" rel="nofollow noopener" target="_blank">#3d</a>

foldworksTwo modular origami cubes made from 1:√2 rectangles and squares (Canoe Unit 90° by me). <a href="https://mathstodon.xyz/tags/origami" class="mention hashtag" rel="nofollow noopener" target="_blank">#origami</a> @origami <a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/cube" class="mention hashtag" rel="nofollow noopener" target="_blank">#cube</a> <a href="https://mathstodon.xyz/tags/ModularOrigami" class="mention hashtag" rel="nofollow noopener" target="_blank">#ModularOrigami</a> <a href="https://mathstodon.xyz/tags/papercraft" class="mention hashtag" rel="nofollow noopener" target="_blank">#papercraft</a> <a href="https://mathstodon.xyz/tags/craft" class="mention hashtag" rel="nofollow noopener" target="_blank">#craft</a>

foldworksThree modular origami octahedra made from three different kinds of rectangles (Canoe Unit 60° by me). From left to right, the rectangles are 1:√2, square and 2:√3.<a href="https://mathstodon.xyz/tags/origami" class="mention hashtag" rel="nofollow noopener" target="_blank">#origami</a> @origami <a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/octahedron" class="mention hashtag" rel="nofollow noopener" target="_blank">#octahedron</a> <a href="https://mathstodon.xyz/tags/ModularOrigami" class="mention hashtag" rel="nofollow noopener" target="_blank">#ModularOrigami</a> <a href="https://mathstodon.xyz/tags/papercraft" class="mention hashtag" rel="nofollow noopener" target="_blank">#papercraft</a> <a href="https://mathstodon.xyz/tags/craft" class="mention hashtag" rel="nofollow noopener" target="_blank">#craft</a>

BrandipoA New Morning In The City<a href="https://mastodon.social/tags/Photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#Photography</a> <a href="https://mastodon.social/tags/Outdoors" class="mention hashtag" rel="nofollow noopener" target="_blank">#Outdoors</a> <a href="https://mastodon.social/tags/Architecture" class="mention hashtag" rel="nofollow noopener" target="_blank">#Architecture</a> <a href="https://mastodon.social/tags/City" class="mention hashtag" rel="nofollow noopener" target="_blank">#City</a> <a href="https://mastodon.social/tags/Modern" class="mention hashtag" rel="nofollow noopener" target="_blank">#Modern</a> <a href="https://mastodon.social/tags/BuildingExterior" class="mention hashtag" rel="nofollow noopener" target="_blank">#BuildingExterior</a> <a href="https://mastodon.social/tags/Skyscraper" class="mention hashtag" rel="nofollow noopener" target="_blank">#Skyscraper</a> <a href="https://mastodon.social/tags/Reflection" class="mention hashtag" rel="nofollow noopener" target="_blank">#Reflection</a> <a href="https://mastodon.social/tags/BuiltStructure" class="mention hashtag" rel="nofollow noopener" target="_blank">#BuiltStructure</a> <a href="https://mastodon.social/tags/Sky" class="mention hashtag" rel="nofollow noopener" target="_blank">#Sky</a> <a href="https://mastodon.social/tags/Glass" class="mention hashtag" rel="nofollow noopener" target="_blank">#Glass</a> <a href="https://mastodon.social/tags/Building" class="mention hashtag" rel="nofollow noopener" target="_blank">#Building</a> <a href="https://mastodon.social/tags/Geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#Geometry</a> <a href="https://mastodon.social/tags/streetphotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#streetphotography</a> <a href="https://mastodon.social/tags/ArchitecturalPhotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#ArchitecturalPhotography</a>

SusiPlaces of geometry. <a href="https://pixelfed.de/discover/tags/fensterfreitag?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#fensterfreitag</a> <a href="https://pixelfed.de/discover/tags/windowsonfriday?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#windowsonfriday</a> <a href="https://pixelfed.de/discover/tags/windows?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#windows</a> <a href="https://pixelfed.de/discover/tags/building?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#building</a> <a href="https://pixelfed.de/discover/tags/architecture?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#architecture</a> <a href="https://pixelfed.de/discover/tags/architecturephotography?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#architecturephotography</a> <a href="https://pixelfed.de/discover/tags/abstractinarchitecture?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#abstractinarchitecture</a> <a href="https://pixelfed.de/discover/tags/geometry?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://pixelfed.de/discover/tags/bnw?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#bnw</a> <a href="https://pixelfed.de/discover/tags/bnwphotography?src=hash" class="u-url hashtag" rel="nofollow noopener" target="_blank">#bnwphotography</a>

:blobfoxcheck: Ned Hairston:blobcatwarning: When playing D&D for the first time, keep in mind that you are stepping into a magical world of infinite possibility, where magic is as real as the immutable law that the hypotenuse of a right triangle with equal side lengths is equal to the length of either side.<a href="https://tech.lgbt/tags/DnD" class="mention hashtag" rel="nofollow noopener" target="_blank">#DnD</a> <a href="https://tech.lgbt/tags/TTRPG" class="mention hashtag" rel="nofollow noopener" target="_blank">#TTRPG</a> <a href="https://tech.lgbt/tags/Fantasy" class="mention hashtag" rel="nofollow noopener" target="_blank">#Fantasy</a> <a href="https://tech.lgbt/tags/Geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#Geometry</a> <a href="https://tech.lgbt/tags/Math" class="mention hashtag" rel="nofollow noopener" target="_blank">#Math</a>

PabloMtnezCalleja<a href="https://mastodon.social/tags/AgainstLiberticidalTyranny" class="mention hashtag" rel="nofollow noopener" target="_blank">#AgainstLiberticidalTyranny</a> <a href="https://mastodon.social/tags/HandsOff" class="mention hashtag" rel="nofollow noopener" target="_blank">#HandsOff</a> <a href="https://mastodon.social/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#photography</a> <a href="https://mastodon.social/tags/art" class="mention hashtag" rel="nofollow noopener" target="_blank">#art</a> <a href="https://mastodon.social/tags/visualart" class="mention hashtag" rel="nofollow noopener" target="_blank">#visualart</a> <a href="https://mastodon.social/tags/fotografia" class="mention hashtag" rel="nofollow noopener" target="_blank">#fotografia</a> <a href="https://mastodon.social/tags/arte" class="mention hashtag" rel="nofollow noopener" target="_blank">#arte</a> <a href="https://mastodon.social/tags/photographie" class="mention hashtag" rel="nofollow noopener" target="_blank">#photographie</a> <a href="https://mastodon.social/tags/fotografie" class="mention hashtag" rel="nofollow noopener" target="_blank">#fotografie</a> <a href="https://mastodon.social/tags/photooftheday" class="mention hashtag" rel="nofollow noopener" target="_blank">#photooftheday</a> <a href="https://mastodon.social/tags/fotografiaabstracta" class="mention hashtag" rel="nofollow noopener" target="_blank">#fotografiaabstracta</a> <a href="https://mastodon.social/tags/abstraktekunst" class="mention hashtag" rel="nofollow noopener" target="_blank">#abstraktekunst</a> <a href="https://mastodon.social/tags/AbstractArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#AbstractArt</a> <a href="https://mastodon.social/tags/abstractphotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#abstractphotography</a> <a href="https://mastodon.social/tags/Colors" class="mention hashtag" rel="nofollow noopener" target="_blank">#Colors</a> <a href="https://mastodon.social/tags/colorfuldays" class="mention hashtag" rel="nofollow noopener" target="_blank">#colorfuldays</a> <a href="https://mastodon.social/tags/colorful" class="mention hashtag" rel="nofollow noopener" target="_blank">#colorful</a> <a href="https://mastodon.social/tags/Luz" class="mention hashtag" rel="nofollow noopener" target="_blank">#Luz</a> <a href="https://mastodon.social/tags/Light" class="mention hashtag" rel="nofollow noopener" target="_blank">#Light</a> <a href="https://mastodon.social/tags/Licht" class="mention hashtag" rel="nofollow noopener" target="_blank">#Licht</a> <a href="https://mastodon.social/tags/HandsOffHarvard" class="mention hashtag" rel="nofollow noopener" target="_blank">#HandsOffHarvard</a> <a href="https://mastodon.social/tags/DefendersOfDemocracy" class="mention hashtag" rel="nofollow noopener" target="_blank">#DefendersOfDemocracy</a> <a href="https://mastodon.social/tags/geometria" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometria</a> <a href="https://mastodon.social/tags/geometrie" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometrie</a> <a href="https://mastodon.social/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mastodon.social/tags/Duchamp" class="mention hashtag" rel="nofollow noopener" target="_blank">#Duchamp</a> <a href="https://mastodon.social/tags/davinci" class="mention hashtag" rel="nofollow noopener" target="_blank">#davinci</a> <a href="https://pablomartinezcalleja.blogspot.com/2025/04/springabfluss-leonardo-mirando-la-obra.html?m=1" rel="nofollow noopener" translate="no" target="_blank">https://pablomartinezcalleja.blogspot.com/2025/04/springabfluss-leonardo-mirando-la-obra.html?m=1</a>

foldworks<a href="https://mathstodon.xyz/@mrdk" class="u-url mention" rel="nofollow noopener" target="_blank">@mrdk</a> <a href="https://booping.synth.download/@unnick" class="u-url mention" rel="nofollow noopener" target="_blank">@unnick</a> I'm not sure that these are related to the Jitterbug transformation. This is my recreation of unnick's original cube/octahedron loop. I used the rhombic dodecahedron and rhombic triacontahedron for this and the previous loop. They remind me of tensegrity structures.BTW, I made a couple of origami versions of the Jitterbug transformation many years ago. This one <a href="https://foldworks.net/wp-content/uploads/2018/06/jitterbug.pdf" rel="nofollow noopener" translate="no" target="_blank">https://foldworks.net/wp-content/uploads/2018/06/jitterbug.pdf</a> works better than the first version <a href="https://britishorigami.org/academic/davidpetty/origamiemporium/lam_jitterbug.htm" rel="nofollow noopener" translate="no" target="_blank">https://britishorigami.org/academic/davidpetty/origamiemporium/lam_jitterbug.htm</a><a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/animation" class="mention hashtag" rel="nofollow noopener" target="_blank">#animation</a> <a href="https://mathstodon.xyz/tags/loop" class="mention hashtag" rel="nofollow noopener" target="_blank">#loop</a> <a href="https://mathstodon.xyz/tags/geogebra" class="mention hashtag" rel="nofollow noopener" target="_blank">#geogebra</a> <a href="https://mathstodon.xyz/tags/cube" class="mention hashtag" rel="nofollow noopener" target="_blank">#cube</a> <a href="https://mathstodon.xyz/tags/octahedron" class="mention hashtag" rel="nofollow noopener" target="_blank">#octahedron</a> <a href="https://mathstodon.xyz/tags/3d" class="mention hashtag" rel="nofollow noopener" target="_blank">#3d</a> <a href="https://mathstodon.xyz/tags/Jitterbug" class="mention hashtag" rel="nofollow noopener" target="_blank">#Jitterbug</a> <a href="https://mathstodon.xyz/tags/origami" class="mention hashtag" rel="nofollow noopener" target="_blank">#origami</a>

foldworksI couldn’t resist making this in Geogebra: morphing between a regular icosahedron and a regular dodecahedron.h/t <a href="https://booping.synth.download/@unnick" class="u-url mention" rel="nofollow noopener" target="_blank">@unnick</a> <a href="https://mathstodon.xyz/@unnick@booping.synth.download/114350750053349050" rel="nofollow noopener" translate="no" target="_blank">https://mathstodon.xyz/@unnick@booping.synth.download/114350750053349050</a><a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/animation" class="mention hashtag" rel="nofollow noopener" target="_blank">#animation</a> <a href="https://mathstodon.xyz/tags/loop" class="mention hashtag" rel="nofollow noopener" target="_blank">#loop</a> <a href="https://mathstodon.xyz/tags/geogebra" class="mention hashtag" rel="nofollow noopener" target="_blank">#geogebra</a> <a href="https://mathstodon.xyz/tags/icosahedron" class="mention hashtag" rel="nofollow noopener" target="_blank">#icosahedron</a> <a href="https://mathstodon.xyz/tags/dodecahedron" class="mention hashtag" rel="nofollow noopener" target="_blank">#dodecahedron</a> <a href="https://mathstodon.xyz/tags/polyhedra" class="mention hashtag" rel="nofollow noopener" target="_blank">#polyhedra</a> <a href="https://mathstodon.xyz/tags/3d" class="mention hashtag" rel="nofollow noopener" target="_blank">#3d</a>

ƧƿѦςɛ♏ѦਹѤʞ<a href="https://mastodon.social/tags/maths" class="mention hashtag" rel="nofollow noopener" target="_blank">#maths</a> <a href="https://mastodon.social/tags/geometry" class="mention hashtag" rel="nofollow noopener" target="_blank">#geometry</a> <a href="https://mastodon.social/tags/units" class="mention hashtag" rel="nofollow noopener" target="_blank">#units</a> <a href="https://mastodon.social/tags/Planck" class="mention hashtag" rel="nofollow noopener" target="_blank">#Planck</a> <a href="https://mastodon.social/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#physics</a>

Recent searches

Search options

Administered by:

Server stats:

#geometry