Maker Gustav Evertsson paid tribute to the 2018 Winter Olympics with a neat build. He created a series of motorized blades which he loaded up with steel wool and set ablaze. The resulting persistence of vision illusion reveals a fiery version of the iconic 5-ring Olympic logo.
To kick off the 2018 Winter Olympics, Intel launched 1218 drones, which formed the image of an athlete, then the olympic rings, as athletes mirrored the image below. The drone layer was pre-recorded for the live broadcast due to logistical issues, but it was still breathtaking.