These are quadrotors equipped with multicolor LEDs -- 49 of them, flying/dancing in unison. The show, called Cloud In the Network, took place at German art conference Ars Electronica. This is reportedly the largest number of synchronized drones in flight, and as Motherboard author Derek Mead notes, is probably "what the end of the world will look like, when Skynet finally launches the missiles." Link
Tokyoflash Treasure Hunt - Win a Tokyoflash Watch of Your Choice!
Going on right now: Tokyoflash Treasure Hunt #26. Win a Tokyoflash watch and neat stuff from the NeatoShop. It's fun and easy to play: Link