You are here pretending to be a smart ass and you do not know? You have a detailed description of that situation backed with experiments in the video. As I said, you should research harder. Stop being such a clown globehead.
Look here how experiments should look like. This is real science: Repeatable, measurable, observable.
https://www.youtube.com/watch?v=m4W-HxV4ICIOk. So the Earth is flat because of optical convection over large bodies of water ?!