Troika’s Digital Cloud installation, located inside the British Airways first class lounge at Heathrow, measures “5 meters long and is covered with 4,638 of those little flip dot things that you still occasionally see in train station displays.” Video after the break. Click here for first picture in gallery.

The dots flip back and forth between black and reflective silver, creating both visual patterns and a nifty rainstick sound

[via OhgizmoTroika]