I don't know what you've seen, but the 3 video released a few years are mostly parallax, optical phenomenon (the "tic tac") and sensors trying and failing to tr

I don't know what you've seen, but the 3 video released a few years are mostly parallax, optical phenomenon (the "tic tac") and sensors trying and failing to track tiny objects (birds, balloons and similar) at distances of a few kilometres.