Al Fredericksson » science http://www.alfredericksson.co.uk Mon, 28 Nov 2011 21:14:12 +0000 en hourly 1 http://wordpress.org/?v=3.3 Harmonograph – what you can do with a few bricks and some string! http://www.alfredericksson.co.uk/2009/04/29/harmonograph-what-you-can-do-with-a-few-bricks-and-some-string/ http://www.alfredericksson.co.uk/2009/04/29/harmonograph-what-you-can-do-with-a-few-bricks-and-some-string/#comments Wed, 29 Apr 2009 21:16:57 +0000 alan http://www.alfredericksson.co.uk/?p=302 I’ve just added a new page with some photographs of a simple version of a harmonograph – two pendulums connected to a pen which traces their combined motion. The resulting traces are quite fascinating. See it here.

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