You have to go and watch this. The Ars Electronica Futurelab is using 3D model drones to create animations in the sky. It is a fascinating concept and they are able to make shapes in the air.
I enjoy how they were able to implement different colors as well, I really enjoyed it and can't wait to see more from them.



It is a glass tube surrounding a vacuum. It is interesting because when electrical contacts are put on the ends, you can get a current to flow through that vacuum. Thomas Edison first saw this in 1883 and he discovered that electrical current doesn't need a wire to function.


