There is a very interesting exponent in the Museum of Optics in Saint-Peterburg, Russia. It's called Abbe's catalog and it consists of 144 optical glasses of different types and sizes. I've developed the software that visualizes music that is currently playing in the museum using 1152 RGB-LEDs.
SFML was used for audio jobs and for the touchscreen interface.
I'll write an article about it later, but you can already watch the video :
