Links between October 10th and October 13th:

• Beau Lotto: Optical illusions show how we see – TED Talk, fascinating as always…
• Amazing colour images of Nazi Germany – .
• YouTube – Piano stairs – Fun piano stairs = fitter commuters.

Just so you know, this is an automated recent overview of the Linkblog, a collection of interesting links I find on my travels. The archives are here: http://www.wibbler.com/category/linkblog/