Wednesday, August 19, 2020

Geometry Links - August 19, 2020

 Shock dissipation from fractal cubes

https://aip.scitation.org/doi/10.1063/5.0015179

https://scitechdaily.com/forging-high-tech-armor-from-shock-dissipating-fractal-cubes/

Plato’s cube and the natural geometry of fragmentation
https://www.pnas.org/content/early/2020/07/16/2001037117
https://scitechdaily.com/geophysicists-mind-blowing-discovery-plato-was-right-earth-is-made-on-average-of-cubes/

Pentadiamond - how build a harder diamond
https://scitechdaily.com/pentadiamond-scientists-devise-a-way-to-build-a-harder-diamond/
https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.125.016001

Spherical Geometry Is Stranger Than Hyperbolic Geometry
https://youtu.be/yY9GAyJtuJ0
More videos from the developer of Hyperbolica, a computer game 
https://www.youtube.com/channel/UCrv269YwJzuZL3dH5PCgxUw

Japanese puffer fish nests
https://www.google.com/search?safe=active&rls=en&source=univ&tbm=isch&q=Japanese+puffer+fish+nest
Simple rules for construction of a geometric nest structure by pufferfish
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6098008/
hat tip to Joan Mokray

Little Architect - architectural building kit
https://us.arckit.com/products/arckitplay-little-architect
https://youtu.be/OUy9ryZLp4k - promo video
https://youtu.be/hXQBsvB9Ovo - video review
Editorial Comment:  When I was a kid, I used to design and build house models out of balsa wood.  Would have been good to have this

How a Tesla engineer redesigned the chocolate chip
https://www.dallasnews.com/business/2020/08/01/how-a-tesla-engineer-redesigned-the-chocolate-chip/

Turkish artist Selma Gürbüz
http://www.selmagurbuz.com/en/exhibitions

Motoi Yamamoto - salt artist, his labyrinths are especially geometrical
http://www.motoi.biz/english/e_top/e_top.html

Cherry Blossoms - digital artwork
https://www.facebook.com/100004340581678/videos/1692432724244731

Multiplication by drawing lines
https://youtu.be/bbKjXKV9QNA

Balance Goddess Miniature
https://www.etsy.com/listing/587099829/balance-goddess-miniatura