Some people might say the moon landing, others might choose lasers or the internal combustion engine — I think this just might be the pinnacle of human scientific achievement: playing Tetris using the windows of what appears to be a 20-story apartment building, controlled (they are Finnish, after all) from someone’s mobile phone.
[youtube https://www.youtube.com/watch?v=0ddJrPKXfHM&rel=1&w=425&h=355]
There’s a longer video with lots more effects on the Mikontalo Lights website. I have no idea what is going on because I don’t read Finnish. If anyone can enlighten me, please do so in the comments.