Plasma Sphere

Might inspire the dome idea at the ring in the central station:

Interactive Music Playing

Playing music by 'breaking' the omi-beams of light:

Happy Ending Machine

"'Happy Ending Machine' enables viewers to rearrange the instrumentation by breaking laser beams. Each laser beam corresponds to a different instrument (saxophone, bass/piano, drums, and guitar), which starts and stops by hand movement. The participant is the Conductor with full control."

Living Surfaces by Vertigo Systems

Might be interesting for some of you. Interactive surfaces:



Proper name is "Living Surfaces". Developed by Vertigo Systems.