Geometry Links - May 6, 2020

Reuleaux triangles roll like wheels
https://youtu.be/bNr6yQPItjM
hat tip:  boingboing.net

George Hart’s warped grid jigsaw puzzles
https://youtu.be/Enk4LCnOWiQ
hat tip:  boingboing.net

Sandra - kinetic sand sculpture, "a magnet mounted to a 2-axis SCARA mechanical arm to guide a steel ball through a bed of sand, creating an infinite number of patterns"
https://www.kickstarter.com/projects/edcano/sandsara
hat tip:  core77.com

Shape shifting geometric soft robot
https://youtu.be/XqgbLb8m77U
https://www.core77.com/posts/96164/Stanford-Engineers-Create-Inflatable-Shape-Shifting-Soft-Robot

Floating table - a tensegrity
https://youtu.be/76amOgNzdDQ
hat tip boingboing.net

Psychedelic hooping
https://www.youtube.com/watch?v=tRSbwUGySxA

Modernist Sandcastles by Calvin Seibert
https://www.instagram.com/calvinseibert/
https://www.theguardian.com/artanddesign/gallery/2020/mar/28/for-one-tide-only-modernist-sandcastles-in-pictures

Ruth Asawa wire sculptures to become USPS “Forever Stamps"
https://www.facebook.com/77648281928/photos/a.314242196928/10158519044841929/
https://boingboing.net/2020/04/07/ruth-asawa-postage-stamps-have.html

Shoji Sadao - visionary architect and colleague of R Buckminster Fuller and Isamu Noguchi
https://vimeo.com/397322766
hat tip to Joe Clinton

New aluminum metal-organic framework with ultrahigh porosity for storage of hydrogen or methane for vehicles
https://www.greencarcongress.com/2020/04/20200417-numof.html

Toilet paper fullerenes and Charmin nanotubes
https://observablehq.com/@rreusser/toiletpaperfullerenes-and-charmin-nanotubes

Alison Martin’s geometric constructions
https://www.instagram.com/alisonmartin57/
https://twitter.com/alisonmartin57