056 EU Meetup November 6th 2018







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Universal Hyperbolic Geometry







Lecture 01 – Apollonius and Polarity
Lecture 02 – Apollonius and Harmonic Conjugates
Lecture 03 – Pappus’ Theorem and the Cross Ratio
Lecture 04 – First Steps in Hyperbolic Geometry
Lecture 05 – The Circle and Cartesian Coordinates

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055 EU Meetup October 30th 2018







https://youtu.be/H-iRXYRRGXQ




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Crochet Pattern Contagion – Duplet – Space-Group Morphologies

from: Dataisnature

Nearly every source of attribution for old crochet patterns found on the web remains a mystery. There exists a dark web of pattern swapping enthusiasts fostering a contagion spread that conceals its origin. But one source identified is the old Russian language Duplet Magazine – worth singling out for its graphic ordering of patterns in optical monochrome cells configured to its own space-filling logic. Close-knit windowpanes create a comic strip story of evolving symmetry – a biological taxonomy of tiny skeletal organisms – Haeckel’s Radiolaria or Baricelli’s number-shaped organisms? Duplet really leads a double life as a handbook of space-group morphologies.