Tuesday, September 3, 2019

Observable Now Works in My Chrome

Filed under: General — Tags: — m759 @ 9:17 PM

Annals of Square Space

Filed under: General — Tags: — m759 @ 9:23 AM


Toy Story:

Space Story:

See Square Space (hosted by Squarespace):

The Observable Fork

Filed under: General — Tags: — m759 @ 12:00 AM

"When you come to a fork . . . ." — Yogi Berra (?)

The Observable site does not work in my Chrome browser.
To play with it, use Firefox.  For a more straightforward
JavaScript program see the Diamond 16 Puzzle.

Monday, September 2, 2019


Filed under: General — Tags: — m759 @ 4:56 PM

A link, observablehq.com/demo(not functioning in my Chrome
browser at the present time but apparently OK in Firefox) in the 
previous post suggests . . .

"Physically meaningful observables must also satisfy 
transformation laws which relate observations
performed by different observers in different 
frames of reference. These transformation laws are 
automorphisms of the state space, that is 
bijective transformations which preserve certain
mathematical properties of the space in question."

— Wikipedia, Observable

Those who prefer narrative to mathematics may read
"automorphisms" as "auto morphisms."

"Before time began . . . ." — "Transformers" first line, 2007

Code Explorer

Filed under: General — Tags: — m759 @ 3:11 PM

At present, the above Ajna page is not functioning in my Chrome browser 
and is only partly functioning in Edge, but seems OK in Firefox.

Tuesday, August 13, 2019

The Central Myth

Filed under: General — Tags: , — m759 @ 12:12 PM

Wikipedia on film producer Lorenzo di Bonaventura
(Harvard AB (1980) in Intellectual History*) —

“His tenure at Warner Bros. included discovering and
shepherding The Matrix  into production, and the
purchase of the rights to the Harry Potter  books by
J. K. Rowling.”

From the previous post

“But he enters into the central myth of
this book at another, higher level as well;
for he is an artist, a potter . . . .

— Wendy Doniger O’Flaherty on
Claude Lévi-Strauss, author of
The Jealous Potter

* See as well “What is Intellectual History?” and
Magic for Liars .

Monday, August 12, 2019

Never-Ending Toy Story

Filed under: General — Tags: , — m759 @ 1:40 PM

" … this beautiful love story . . . ."

An image from the previous post:

The above line "From the producer of Transformers " suggests
a story from March 18, 2019 . . .

      Misreading the words of di Bonaventura
yields a phrase that might be applied to 
the Church of Rome . . .
     "A franchise based on release dates." 
See dies natalis  in this journal.

     For the Church of Synchronology, see
the above di Bonaventura date, March 18.

     Then there is the Church of Cubism . . .

     "Before time began, there was the Cube."
     — Optimus Prime, Transformers , 2007

Wednesday, December 29, 2010

Toy Stories

Filed under: General,Geometry — Tags: — m759 @ 10:31 AM

From the Bulletin of the American Mathematical Society , October 2002, p. 563:

“To produce decorations for their weaving, pottery, and other objects, early artists experimented with symmetries and repeating patterns.  Later the study of symmetries of patterns led to tilings, group theory, crystallography, finite geometries, and in modern times to security codes and digital picture compactifications.  Early artists also explored various methods of representing existing objects and living things.  These explorations led to… [among other things] computer-generated movies (for example, Toy Story ).”

– David W. Henderson, Cornell University



From the weblog The Ghost Light on Christmas Day, 2010 —


For Rachel and her children.

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