Thursday, July 23, 2020

Geometry Links - July 23, 2020

The Mathematics of Neural Networks (Explained Visually)
https://youtu.be/e5xKayCBOeU

Origami LED Wall Art
https://imgur.com/t/staff_picks/UQuMJK5

Animation full of optical illusions
https://vimeo.com/430690235

Stellarium - night sky atlas, pick a night and track the Heavens moment by moment 
https://stellarium-web.org

Geometric Hokusai from 100 Views of Mt Fuji
Through a Spider Web:  https://www.pinterest.com/pin/365495325984645798/
Torigoe:  https://commons.wikimedia.org/wiki/File:Hokusai,_Fuji_at_Torigoe.jpg
At Sea (note the Escher transformation long before Escher was born):  https://theconversation.com/how-hokusais-great-wave-came-into-the-world-77750

Paula Pietranera origami and sumie
https://www.paulapietranera.com/portfolio/

Susan Hensel "Geometric Stitch” online show
https://susanhenselprojects.com/product-category/geoshow/?product_count=36

Origami Extravanganza! 
Foldeas: Sharing Ideas through Origami:  "Foldeas is a series of hands-on presentations, each one related–one way or another–to paper folding, by guest speakers from a wide variety of countries. They are cost-free, through the Zoom platform.   Gerardo has invited Leyla Torres (OrigamiSpirit) as the next guest speaker.  Leyla Torres has a wonderful website (https://www.origamispirit.com/) and many new folders have learned from her online videos. 
Saturday July 25, 11:00 - 1:00 pm (New York) / 4:00 - 6:00 pm (London) / 8:30 - 10:30 pm (New Delhi). Limited seating!

"48 Straight Hours of Folding with 48 world-class designers!   One workshop per hour!  It's all on Zoom and you will receive the recordings after the event (phew!).  The fee hasn't been posted yet but here's the link for registration (https://www.origami-shop.com/en/registration-origami-world-marathon-august-2223-2020-xml-2658_2678-11874.html) and 

"OrigamiUSA has a wonderful program on Zoom (with recording after the event) called OrigamiConnect (https://origamiusa.org/connect).  Every season there's a series of workshops available for $10 each.”
hat tip to Lucinda Davis

The life and work of Ruth Asawa
https://www.nytimes.com/2020/07/20/t-magazine/ruth-asawa.html

How curved edges affect the wrinkling of ultra-thin materials
https://scitechdaily.com/scientists-iron-out-the-physics-of-wrinkling/
https://aip.scitation.org/doi/10.1063/5.0006164

Tuesday, July 7, 2020

Geometry Links - July 7, 2020

Square Wave - kinetic sculpture
https://kinetrika.com

Difold origami folding bottle
https://www.kickstarter.com/projects/difold/origami-bottle/description

"A Clarified Typology of Core-Periphery Structure in Networks"
"We unpack an often overlooked distinction between hub-and-spoke and layered core-periphery models in empirical network analyses"
https://arxiv.org/abs/2005.10191
Beautiful Twitter thread introduction to the concepts
https://twitter.com/ryanjgallag/status/1263450637628555267

Wood rock set balancing blocks
https://audirin.com/collections/toys-games/products/wood-rock-set-balancing-blocks-natural-wood-toy

Sand drawing robot with 50 miniature servos and two half tanks - large scale “dot matrix” beach printer
https://youtu.be/i6IIcoQ3-C0
https://www.core77.com/posts/100381/Ivan-Mirandas-Sand-Drawing-Robot
Editorial Comment:  Ivan Miranda should talk with Theo Jansen and do this as a strandbeest
https://www.strandbeest.com

Octopus at 1600 meters
https://twitter.com/zaibatsu/status/1275967558521364480

"A database of paper airplanes with easy to follow folding instructions, video tutorials and printable folding plans. Find the best paper airplanes that fly the furthest and stay aloft the longest."
https://www.foldnfly.com/index.html
hat tip https://kk.org/cooltools/

A Decade of the Sun - "Every second of the 61-minute video represents images taken over a single day, with the first frame showing the sun on 2 June 2010, and the last frame captured on 1 June 2020.”
https://youtu.be/l3QQQu7QLoM

The Shape of Difficulty:  A Fan Letter to Unruly Objects by Bret L. Rothstein
"an ode to and exploration of these 'unruly objects'—Rubik's cubes, geometric dissections, secret-opening boxes, string disentanglements, and so many more"
http://www.psupress.org/books/titles/978-0-271-08242-4.html
Editorial Comment:  The author is a cousin I’ve never met.  He is the first enigmatologist I’ve known of.

Smart Thermally Activated Textiles - robotic fabric 
https://www.engadget.com/harvard-robotic-fabric-therapeutic-wearables-150108871.html
https://youtu.be/P1pgW6ANGO0

Barbara McKell Art - mandalas
https://www.facebook.com/pg/barbaramckell2019/photos/

Game engine for non-Euclidean worlds
https://youtu.be/kEB11PQ9Eo8

The Most Important Jigsaw Puzzle
https://www.dailykos.com/stories/2020/6/25/1956012/-The-Most-Important-Jigsaw-Puzzle