The clever people at USC Institute for Creative Technologies and colleagues made this awesome 3D hologram, just like in those sci-fi movies!
Yes, this made its round on the Interweb recently, and Neatorama is late to the party as usual, but better late than never: Hit play or go to Link [YouTube] | The researcher's website - via swissmiss
Didn't the first TV use some sort of spinning disk?
'Spinning - the cornerstone of all new technology!'