Thursday, July 29, 2021

Geometry Links - July 29, 2021

 Kimono exhibition explores 1500 years of this form of clothing

https://www.fashion-kyoto.or.jp/orikyo/80th - in Japanese
https://mymodernmet.com/kimono-exhibition-bunka-gakuen-costume-museum/

Glass octopus
https://twitter.com/nowthisnews/status/1415695958705418240

A stack of drawers that becomes a spiral staircase
https://www.core77.com/posts/109472/From-Italy-a-Stack-of-Drawers-That-Transforms-Into-a-Spiral-Staircase

Uncovering multiscale order in the prime numbers via scattering - a pattern in the primes like quasi-crystals
https://iopscience.iop.org/article/10.1088/1742-5468/aad6be
https://arxiv.org/abs/1804.06279
https://www.resonancescience.org/blog/Surprising-hidden-order-unites-prime-numbers-and-crystal-like-materials
Editorial Comment:  I take Nassim Haramein with a box of salt but he does some interesting things from time to time and cite his sources here.
hat tip Rich Sage

Mathemalchemy project is "an exciting collaborative enterprise, driven by the energy and enthusiasm of twenty-three mathematical artists and artistic mathematicians. The
end goal is to realize by the summer of 2021 a large multimedia art installation that celebrates the creativity and beauty of mathematics."
https://mathemalchemy.org/
hat tip Edmund Harriss

Sculptures from books
https://www.theguardian.com/artanddesign/gallery/2021/jul/17/sculptures-that-make-novel-use-of-books-stephen-doyle-in-pictures

Headless Hug - proposed tensegrity from Gerald De Jong
https://www.facebook.com/gerald.dejong/videos/648898129404467
Tensegrity and anatomy
https://www.anatomytrains.com/fascia/tensegrity/
Editorial Comment:  Tom Myers' work on fascia and anatomy trains is not only fascinating but healing.

Community sunscreen
https://www.theolivepress.es/spain-news/2021/07/15/local-knitters-create-beautiful-crochet-screen-to-keep-sun-off-the-streets-in-town-inland-from-spains-costa-del-sol/
hat tip Marjorie Farrell

AI predicts 350,000 protein shapes,  including all 20,000 expressed by human DNA
https://www.nytimes.com/2021/07/22/technology/deepmind-ai-proteins-folding.html
https://wwm/news/science-environment-57929095

Tetrahedra - I’ve been playing with tetrahedral dissections (and if anybody has seen a tetrahedron divided into thirds from the center out, please let me know) and came up with these in my research:

Tetrahedral partitioning methods
https://www.iue.tuwien.ac.at/phd/wessner/node12.html
from WILFRIED WESSNER’s dissertation on Mesh Refinement Techniques for TCAD Tools
https://www.iue.tuwien.ac.at/phd/wessner/diss.html

The 59 tetrahedra with rational dihedral angles
https://www.quantamagazine.org/mathematicians-finally-prove-rational-tetrahedron-solutions-20210202/
ttps://www.bbc.co

Tetrahedron super-yacht
https://edition.cnn.com/2016/03/14/sport/gallery/tetrahedron-super-yacht/index.html

Friday, July 9, 2021

Geometry Links _ July 9, 2021

 Pufferfish skeleton

https://twitter.com/harmonylion1/status/1400179536059265024/photo/1

Letterlocking
https://www.bbc.com/future/article/20210616-how-the-forgotten-tricks-of-letterlocking-shaped-history

Pattern generator
https://doodad.dev/pattern-generator/
hat tip kk.org/cooltools

Chaos game
https://www.youtube.com/watch?v=kbKtFN71Lfs
Related:  the sierpinski triangle page to end most sierpinski triangle pages
http://www.oftenpaper.net/sierpinski.htm
hat tip boingboing.net

Pippa Dyrlaga, paper cut-out artist
https://www.instagram.com/bearfollowscat/
https://mymodernmet.com/pippa-dyrlaga-paper-cut-outs/
hat tip JPMokray

Puzzle fonts from the Demaines
https://www.nytimes.com/2021/06/25/science/puzzles-fonts-math-demaine.html
https://erikdemaine.org/fonts/

Geometric dance
https://www.facebook.com/anna.folchi/videos/10222640822642621

Ekodome - dome kits
https://ekodome.com

Electric vehicle with built-in geodesic tent
https://cleantechnica.com/2021/07/07/alpha-motor-corporation-announces-collaborative-vehicle-with-heimplanet-featuring-built-in-geodesic-tent/

Kirigami artificial skin
https://news.mit.edu/2021/smart-skin-vitals-0630
hat tip Bruce Sterling

Fractals and cauliflower
https://www.nytimes.com/2021/07/08/science/cauliflower-and-chaos-fractals-in-every-floret.html

Bending ice
https://www.nytimes.com/2021/07/08/science/ice-bending-microfibers.html
Editorial Comment:  Good to see the old Gray Lady is interested in geometry