Monday, June 10, 2019

Geometry Links - June 10, 2019

Soap Bubble Wiki
https://soapbubble.fandom.com/wiki/Soap_Bubble_Wiki

Mandalagaba - mandala drawing program
https://recursion.mandalagaba.com/
https://www.instagram.com/p/BwJhYVuDMf3/
http://blog.mandalagaba.com

Generatively designed chair that folds flat
https://youtu.be/2sMniU1N06U

Gary Doskas videos on spherical geometry
Some experimental spherical geometric construction of spherical harmonics
https://youtu.be/fg7pEAo9irs
How to derive a general solution for the trigonometric relationship between a sphere and circles drawn on its surface and some examples of the spherical geometric construction of spherical fractional harmonics
https://youtu.be/y66XcdMODPU

The origins of Spikey, the Wolfram Matematica logo, from the hyperbolic dodecahedron to the rhombic hexecontahedron
https://blog.stephenwolfram.com/2018/12/the-story-of-spikey/#more-17568
https://sites.google.com/site/giramundos/

"‘Knitting Is Coding’ and Yarn Is Programmable in This Physics Lab"
https://www.nytimes.com/2019/05/17/science/math-physics-knitting-matsumoto.html

Physicists Uncover Quantum Structure of Buckyballs
https://scitechdaily.com/physicists-uncover-quantum-structure-of-buckyballs/
Rovibrational quantum state resolution of the C60fullerene
https://science.sciencemag.org/content/363/6422/49

Cubipods, a shape to resist self-organization
https://www.core77.com/posts/88545/A-Triumph-of-Design—and-Manufacturing-The-Story-of-Cubipods-and-the-Innovative-Mold-Required-to-Make-Them

Fractals, hand-drawn by Sheldon Ebbeler
https://www.pinterest.com/sheldonebbeler/fractals-hand-drawn-by-sheldon-ebbeler/

Optical illusion - perpetual diamond
https://journals.sagepub.com/doi/full/10.1177/2041669518815708

'Live Soap' component for interactive form-finding of minimal surfaces with topology changes
https://twitter.com/KangarooPhysics/status/1135989061976563715

Another symmetry for leaf growth patterns
https://www.smithsonianmag.com/science-nature/decoding-mathematical-secrets-plants-stunning-leaf-patterns-180972367/

Friday, April 12, 2019

Geometry Links - April 12, 2019

Sound-blocking metamaterial uses shape for acoustic insulation that allows light and air to pass through it
https://www.fastcompany.com/90316833/scientists-have-discovered-a-shape-that-blocks-all-sound-even-your-co-workers
https://journals.aps.org/prb/abstract/10.1103/PhysRevB.99.024302
hat tip boingboing.net at https://boingboing.net/2019/03/13/exotic-topology.html

Cross-section of a rattlesnake rattle
https://twitter.com/Nnedi/status/1106606377194192902

Bertoldi Group:  Materials and Structures by Design
https://bertoldi.seas.harvard.edu/ 

Grasshopper Geography river and forest maps
https://www.grasshoppergeography.com
https://www.smithsonianmag.com/arts-culture/these-beautiful-maps-capture-rivers-that-pulse-through-our-world-180971789/

Shrine of Whatslove - robotically woven carbon-fiber structure devoted to love and marriage
https://inhabitat.com/robots-weave-a-100-carbon-fiber-love-shrine-for-chinas-countryside/

3/4 icosa ice igloo
https://inhabitat.com/designers-build-a-frozen-igloo-shelter-in-a-geodesic-dome-shape/

Polygonia Design - "Rapidly Create Symmetrical Designs for Manufacturing"
https://polygonia.design
https://www.instagram.com/polygoniadesigns/

Geodesic pergola in rural China
https://www.treehugger.com/green-architecture/luotuowan-pergola-luo-studio.html
https://www.dezeen.com/2019/02/12/luo-studios-luotuowan-pergola-china-wood/
http://www.luostudio.cn/project/2/113

Laser cut paper geometric art inspired by Islamic design
http://www.ibbini.com
http://www.ibbini.com/#/2019/
https://www.instagram.com/juliaibbini/

Machine learning for amino acids to determine protein function and structure
http://news.mit.edu/2019/machine-learning-amino-acids-protein-function-0322
Editorial Comment:  I remember reading Harvey Bialy’s article on “The I Ching and the Genetic Code” in the magazine IO back in the day.  64 codons in DNA to describe amino acids, 64 changes in the I Ching.  The essay is available in the IO Anthology https://www.northatlanticbooks.com/shop/io-anthology/
Some more recent work:
Defragged Binary I Ching Genetic Code Chromosomes Compared to Nirenberg’s and Transformed into Rotating 2D Circles and Squares and into a 3D 100% Symmetrical Tetrahedron Coupled to a Functional One to Discern Start From Non-Start Methionines through a Stella Octangula
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3575644/

Scutoids and bubbles
https://www.nature.com/articles/s41467-018-05376-1#Abs1
https://www.nytimes.com/2019/04/08/science/uhlenbeck-bubbles-math-physics.html

Sableglass - geometric blown glass objects
https://www.sableglass.com
https://www.instagram.com/sableglass/

Wednesday, March 13, 2019

Geometry Links - March 13, 2019

A physics calculation of π
Part 1: https://youtu.be/HEfHFsfGXjs
Part 2: https://youtu.be/jsYwFizhncE
Part 3: https://youtu.be/brU5yLm9DZM

Ice melting under a glaze of ice around a tree
https://twitter.com/REDROMINA/status/1097544586560524288

"New imaging technology captures movement of quantum particles with unprecedented resolution"
https://phys.org/news/2019-02-imaging-technology-captures-movement-quantum.html
Hat tip David Kurland

Escher cookie cutters
https://www.flickr.com/photos/fdecomite/12598506655/in/pool-41894168726@N01
https://www.flickr.com/photos/fdecomite/12707039483/in/pool-boingboing/

Fibonacci sequence in E major as played on the piano
https://youtu.be/IGJeGOw8TzQ
hat tip Mirja Holmboe

Visualization of sound - cymatics
https://www.cymascope.com
Photography of musical notes in a bowl of water
https://www.saltspring.band/2018/11/08/photography-of-music-notes-in-a-bowl-of-water/

Dinara Kasko - 3-D printed pastry 
http://www.dinarakasko.com
https://www.nytimes.com/2019/02/21/t-magazine/3d-printed-food-dessert.html
from October 4, 2016 Geometry Links
Architectural pastry chef Dinara Kasko
http://www.core77.com/posts/56508/An-Architects-Take-On-Cake
https://www.youtube.com/watch?v=f4N35UsxRyA
https://www.instagram.com/dinarakasko/
Editorial Comment:  Good to know we’re nearly 3 years ahead of the NYTimes

Mukimono - Japanese food carving
https://www.facebook.com/SurrealbutReal/posts/563139594171848
https://www.atlasobscura.com/articles/mukimono-fruit-vegetable-carving-japanese
hat tip:  Mirja Holmboe (again)

Kickstarter for a set of wooden fractal tray puzzles
https://www.kickstarter.com/projects/msraynsford/wooden-fractal-tray-puzzles-2
Earlier set of wooden puzzles
https://www.kickstarter.com/projects/msraynsford/wooden-fractal-tray-puzzles
http://msraynsford.blogspot.com
Michael Raynsford’s Shop:  https://msraynsford.ecwid.com - including a remote controlled model strandbeest

Geometric treehouse hostel in an Italian forest
https://www.archdaily.com/912204/ppa-offers-unique-nature-integrated-experience-in-proposed-italian-forest-development

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/

53 best infographics - a treasure trove and a full course education if you follow the links
https://www.creativebloq.com/graphic-design-tips/information-graphics-1232836
hat tip Marc Rudnick

Sunday, February 17, 2019

Geometry Links - February 17, 2019

Visual Education Project - lots of visuals of interesting projects
https://www.youtube.com/user/veproject1/featured
https://www.youtube.com/user/veproject1/videos
I got here from a reference to the circle in circle optical illusion machine
https://youtu.be/Ti1hyjLXItg
Hat tip to boingboing.net

“Smart Objects” using geometric principles:  Bifurcation-based embodied logic and autonomous actuation 
https://www.nature.com/articles/s41467-018-08055-3
https://boingboing.net/2019/01/16/artificial-venus-flytrap.html - for a lay explanation and a couple of short video examples

Das Totale Tan Theater 360º music video for the Bauhaus centenary
https://www.arte.tv/sites/en/webproductions/das-totale-tanz-theater-360/

Kamikara Paper Toys by Haruki Nakamura
https://youtu.be/M2IWTEx0bmI
https://youtu.be/lKv5gpF29uw
hat tip to @AlexSteffen

Matt Shlian sculpture, drawings, videos
https://www.mattshlian.com
hat tip:  treehugger.com

High strength metallic wood from nanostructured nickel inverse opal materials - This paper describes a nickel-based cellular material, which has the strength of titanium and the density of water
https://www.nature.com/articles/s41598-018-36901-3

Useful Charts - timelines, family trees, alphabets and writing systems….
https://usefulcharts.com

Trompe L’Oeil portrait
https://twitter.com/MartinM_Media/status/1092334074910461954

Bcompact design - flat folding stairs and chairs
https://www.bcompact.com/designer/
https://youtu.be/9boatDNusYI

Mr June’s hexagonal street art
http://mrjune.com

Selgascano - I found out about them through the auditorium they designed for Placensia, Spain but their body of work is high geometric art
http://www.selgascano.net
hat tip: inhabitat
https://inhabitat.com/an-auditorium-uses-translucent-etfe-panels-for-a-surreal-look/

Hexeosis - kaleidiscopic art 
http://hexeosis.tumblr.com

Wednesday, January 2, 2019

Geometry Links - January 2, 2019

How to make a plywood sphere
https://youtu.be/9FNwSQb7mww

118 bird species migration maps of the Western hemisphere
More bird resources:

Embroidery temari
More temari from Geometry Links in 2016:

ZHA KnitCandela Construction Process - 3D knitted formwork for concrete

Vector Snakes
More from Andrew Soper

Finding order in crumpled paper

Modular bike
I’d like an electric trike based on the form factor of a folding wheelchair that I could carry up three flight of stairs.  It might have a removable weather faring and generate electricity for the battery as well as use the battery for motive power.

How a goldsmith built the dome of Santa Maria del Fiore in Florence, the largest masonry dome in the world

MIT invents a system which produces 3-D structures one thousandth the size of the originals

Kokichi Sugihara’s mathematics of optical illusions

Virtual reality model of a cancer cell

Arena Arbor - a pop up dome for an interior design conference in Brazil based upon tree morphology and parametric design

Tuesday, November 13, 2018

Geometry Links - November 13, 2018

Hypercube -  a hi-tech work of art that simulates the appearance of a near infinite amount of light and space, contained within the finite volume of a sleek and futuristic frame
https://www.kickstarter.com/projects/hyperspacelighting/the-hypercube

Neolithic geometric cave markings the beginning of written language?
https://www.newscientist.com/article/mg23230990-700-in-search-of-the-very-first-coded-symbols/

Nuclear pasta - the hardest known substance in the universe
https://scitechdaily.com/the-hardest-known-substance-in-the-universe-nuclear-pasta/
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.121.132701

The Great Pyramid of Giza can focus electromagnetic energy at resonant wavelengths. Physicists now to copy the structure at nanoscale for solar and other application.
https://scitechdaily.com/scientists-reveal-the-great-pyramid-of-giza-can-focus-electromagnetic-energy/
https://aip.scitation.org/doi/10.1063/1.5026556

Quantum network architecture and teleportation through a quantum gate
https://scitechdaily.com/researchers-demonstrate-teleportation-of-a-quantum-gate/
https://www.nature.com/articles/s41586-018-0470-y

Modular canopy reconfigurable by drone
https://vimeo.com/265752944

Stabilimentum or web decoration by some species of spiders
https://en.wikipedia.org/wiki/Web_decoration
https://www.treehugger.com/animals/these-spiders-mysteriously-decorate-their-webs-photos.html

Noah Deledda’s aluminum can sculptures
https://youtu.be/tilw2vZYPLM
https://www.instagram.com/noahdeledda/

Triply Ambiguous Object - 2018 optical illusion of the year
https://youtu.be/iA5zBZB2dng

Op art book covers animated
https://vimeo.com/297671782

The shape of a symmetrical wormhole
https://scitechdaily.com/physicist-details-the-shape-of-a-symmetrical-wormhole/
https://www.sciencedirect.com/science/article/pii/S037026931830563X?via%3Dihub

Music Animation Machine
http://www.youtube.com/user/smalin
https://www.youtube.com/user/smalin/videos
http://www.musanim.com/watch_mam.html