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

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