Sure, we've seen Tetris pop up in unusual places before, but never on a liquid 3DTV. While rows of droplets don't actually create the image here -- it's merely "painted" onto the falling H2O pixels -- computer-controlled solenoid valves can cycle 50-droplet curtains of water at up to 60Hz, making for a video-capable projector screen.
Tetris played in 3D with water droplets (video)
Posted on Wednesday, July 07 2010 @ 11:15 CEST by Thomas De Maesschalck
Engadget reports researchers build a 9000-droplet-per-second liquid projection screen: