Category Archives: Bach

5 Year Report

Posted on 18/02/2013 by dougaj4

As in previous years, I have downloaded the statistics for this blog for the previous year, and pasted them into a worksheet. The link to each post is preserved in the spreadsheet, so it makes a convenient index to what … Continue reading →

Posted in Bach, Excel, Newton | Tagged | 3 Comments

The statement below is false

Posted on 20/12/2012 by dougaj4

If you think I’m wrong, try looking at it from a different perspective. The picture above came from an optical illusion blog at: http://www.anopticalillusion.com/ and I was led there from: http://www.josleys.com/index.php which is an amazing collection of mathematical imagery by … Continue reading →

Posted in Bach, Maths, Newton, Ray Tracing | Tagged , , , , | Leave a comment

Circle Limit III animation

Posted on 15/11/2012 by dougaj4

Enjoy: And papers by the artist on how to do it available at: http://bulatov.org/math/1107/ Update 16th Nov 12: Comments and more links from PM2Ring: That image is an example of a tessellation of the hyperbolic plane, in the Poincaré disc … Continue reading →

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More moves through the fair

Posted on 01/11/2012 by dougaj4

Following the last Bach instalment, here are three more versions of She Moves Through the Fair. The first is the “official” Fairport Convention release, with Sandy Denny on vocals.  Much more polished than the demo version posted last time, but … Continue reading →

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Ghost Stories

Posted on 22/10/2012 by dougaj4

The first video was directed by my daughter whilst at the Australian Film Television and Radio School last year, and weaves together stories of hard times in the early days of Sydney’s Newtown district: Plug in the headphones, switch off … Continue reading →

Posted in Bach, Excel, Films, Newton | Tagged , , , | 1 Comment