sonic surrounds

check it out:
http://www.synarcade.com.au/

Emergence is an interactive event…
If you were given the chance to build your own being and create a responsible moral citizen would you free it from:
all pain?
niggling doubt?
anger?

Well then…to see the consequences of your decisions, attend Scratch Night: Emergence where YOU get to control how the story unfolds over four screens!

Combining live cinema, theatre and giant puppets Emergence will be held for three experiments only…

some great online lecture notes on signals and systems, with many other notes on electrical engineering and various other subjects:

here