The German geometer Max Brückner was fascinated by polyhedra, and he wrote about them in depth in his 1900 work Polygons and Polyhedra: Theory and History.
Over at the Internet Archive, they've scanned the book, and if you flip to the end -- beginning at page 243 -- there's a real visual treat: Several pages of Brückner's line drawings of polyhedra, followed by photos of his collection of 3D polyhedral objects.
The Public Domain Review recently unearthed these, and now I want some of these pages blown up to poster-size for my walls!
(You can seem more of these screenshots over at the Public Domain Review's post.)
The Metamorphosis Machine generates tessellating art in the style of M.C. Escher. It’s a companion to an online documentary about his life and work built around an interactive, high-resolution image of Metamorphosis II, the print that established his fame. Here’s mine, metamorphosing a five-pointed star into the Cool S.
After seeing a successful Kickstarter project, Angus from Makers Muse has been experimenting with sphericons, unusual shapes that meander when they roll.
The Hoberman Switch Pitch Throwing Ball is a $12 toy that instantiates a dual polyhedron: every time you throw it, it turns inside-out; there's a wealth of scientific literature that explains how this works, including this open-access paper from the Journal of the International Association for Shell and Spatial Structures. Here's JWZ's summary: "The curved […]
Speed reading isn’t just an innate skill possessed by a lucky few. Anyone can learn to speed read, and the benefits are endless. The brain can process more information than most people have time to soak up, but you can make that time now with the 2018 Award-Winning Speed Reading Bundle. The first half of […]
Sure, you could use the same old PowerPoint templates for your next business presentation. It’s not like you have bosses or investors to impress. Oh wait, you do? Time to augment that slideshow with Slideshop – the presentation tool that can individualize your pitch while saving you time. Compatible with PowerPoint, Keynote and Google Slides, […]
Multinational companies have used the no-nonsense methodologies of Six Sigma and Lean Six Sigma to oil a smooth-running operation for years. What is it? Six Sigma (and its offshoot, Lean Six Sigma) apply the principles of science to business, teaching managers to methodically target waste, maximize output and streamline the flow from producer to consumer. […]