More on Mark Fairhurst.
Quite a remarkable collection — have a look at http://da-zdra-per-m.livejournal.com/83176.html and then navigate by arrows.
Mirrors is one of threads of this blog. Here is a popular YouTube mirror prank:
[With thanks to muriel]
Source: A Work in Progress
A control room of Hinkley Point A nuclear power station. Please notice the poster on the right:
And this is the poster itself:
Researchers at Cardiff University reporting at the Acoustical Society of America meeting have presented striking images of stringed instruments made using “holographic interferometry”, which allows them to visualise precisely how and where the soundboards of instruments vibrate. (Photos courtesy Bernard Richardson)