Bluetooth speaker with a sound-reactive ferrofluid display
https://x.com/PhilosophyOfPhy/status/2085780754081145150
Annelida mathematica
https://x.com/yuruyurau
https://x.com/pickover/status/2086545901863026957
hat tip Clifford Pickover
雪華図説 - "snow flower illustrations” from an 1832 book of woodblock prints by Doi Toshitsura
https://publicdomainreview.org/collection/japanese-snowflake-book/
hat tip boingboing.net
Editorial Comment: If only Toshitsura-san could have met Wilson “Snowflake” Bentley
https://en.wikipedia.org/wiki/Wilson_Bentley
Previously in Geometry Links:
Hand-drawn snowflakes
http://penflakes.com/
Giant origami Moseley snowflake fractal
http://boingboing.net/2012/11/20/giant-origami-fractal.html
How snowflakes form
http://youtu.be/VYrF3sFBY20
Time-lapse video of lab grown snowflake
http://youtu.be/fqBPlmxHJwU
Snowflakes just before they melt
http://www.petapixel.com/2012/12/07/ethereal-macro-photos-of-snowflakes-in-the-moments-before-they-disappear/
Watching snowflakes grow
http://vimeo.com/87342468
Snowflake photos
http://www.flickr.com/photos/chaoticmind75/sets/72157626146319517/
How they were photographed
http://www.core77.com/blog/photography/russian_hacktographers_crazy_cheap_super_high_quality_macro_shooting_set-up_26640.asp
Computing snowflakes
https://blogs.scientificamerican.com/sa-visual/in-silico-flurries/
Photographing the colors of snowflakes
https://petapixel.com/2018/01/08/photographing-vibrant-color-inside-snowflakes/
Making identical snowflakes
https://youtu.be/N2oJaW7Xiek
http://www.snowcrystals.com
3D Simulation of Melting Snowflakes
https://youtu.be/VxhQ3weqmiY
Snowflake macro photography
https://alexey-kljatov.pixels.com/blogs/2-snowflake-macro-photography.html
Andy Goldsworthy’s Ice and Show Ephermeral Sculptures
https://aesthesiamag.wordpress.com/2017/12/31/andy-goldsworthys-ice-and-snow-ephemeral-sculptures/
Highest resolution snowflake photos
https://www.smithsonianmag.com/innovation/these-are-highest-resolution-photos-ever-taken-snowflakes-180976710/
Snowflakes in reverse
https://youtu.be/AzQwVM2vr7E
Flaking Out - a gallery of paper snowflakes
https://flakingout.weebly.com
Snowflakes: a chapter from the book of nature by Israel Perkins Warren - published in 1863 - with beautiful illustrations
https://publicdomainreview.org/collection/snowflakes-a-chapter-from-the-book-of-nature-1863/
https://archive.org/details/snowflakeschapte00warriala/page/n3/mode/2up
hat tip: boingboing.net
A global classification of snow crystals, ice crystals, and solid precipitation based on observations from middle latitudes to polar regions
https://www.researchgate.net/publication/257132993_A_global_classification_of_snow_crystals_ice_crystals_and_solid_precipitation_based_on_observations_from_middle_latitudes_to_polar_regions which found that snowflakes can be divided into thirty-nine categories, further divisible by 121 subtypes.
Oloid
https://x.com/mathemetica/status/2088543974021791780
https://en.wikipedia.org/wiki/Oloid
Decorative patterns of the Ancient World by Flinders Petrie
https://archive.org/details/in.gov.ignca.39205/page/n35/mode/2up
David Spriggs art
https://davidspriggs.art/artwork/
hat tip @Rainmaker1973
A simple paper glider - figure 8’s can be magic
https://x.com/OrgPhysics/status/2089762695536865310
https://www.instagram.com/reel/DUwFBmqDP9E/ (same video for those who don’t use Twitter)
Birdsong as pattern
https://www.instagram.com/reel/DaF7-cHhwsY/
hat tip BrainyScience
Hofstadter’s butterfly and the 10 martini proof
https://www.quantamagazine.org/ten-martini-proof-uses-number-theory-to-explain-quantum-fractals-20250825/
Anila Quayyum Agha’s ‘Intersections’ shadow sculpture - from 2015
https://www.thisiscolossal.com/2015/10/intersections-rice-gallery/
https://www.thisiscolossal.com/2014/02/intersections-an-ornately-carved-wood-cube-projects-shadows-onto-gallery-walls/
hat tip @terrinakamura
Jason Padgett - "one of only 40 people in the world with 'acquired savant syndrome', a condition in which prodigious talents in math, art or music emerge in previously normal individuals following a brain injury or disease"
https://jason-padgett.pixels.com/
https://www.youtube.com/@JASONQUANTUM1/videos
Padgett’s Shape of Pi: https://jason-padgett.pixels.com/featured/the-shape-of-pi-jason-padgett.html
Daniel Tammet’s Pi Landscape: https://scalar.usc.edu/works/at-the-crossroads-of-the-senses/media/dh-77-daniel-tammet-pi-landscape-2
Tammet is an autistic person who sees numbers as colors and shapes as well as having a remarkable ability to learn languages
Children and patternABC (and motionABC) - an alphabet of geometric forms
https://peopleofplay.com/blog/alex-wolf-patterns-in-nature
https://www.frontiersin.org/journals/developmental-psychology/articles/10.3389/fdpys.2026.1746813/full
https://www.sciencedirect.com/science/article/abs/pii/S0010028522000639
hat tip Alex Wolf
From https://geometrylinks.blogspot.com/2019/03/geometry-links-march-13-2019.html
32 symbols may be our earliest written language
The First Signs: Unlocking the Mysteries of the World's Oldest Symbols by Genevieve von Petzinger
TED talk https://youtu.be/hJnEQCMA5Sg
http://www.openculture.com/2019/03/40000-year-old-symbols-found-in-caves-worldwide-may-represent-the-earliest-written-language.html
Previously at http://geometrylinks.blogspot.com/2018/11/
Neolithic geometric cave markings the beginning of written language?
https://www.newscientist.com/article/mg23230990-700-in-search-of-the-very-first-coded-symbols/
From https://geometrylinks.blogspot.com/2023/05/geometry-links-may-2-2023.html
Cave paintings deciphered
https://www.openculture.com/2023/02/archaeologists-may-have-discovered-a-secret-language-in-lascaux-chauvet-cave-paintings.html