This thread documents the progress of planning, execution, and analysis of an Experiment conducted by Sandor Szekely (a believer in the "Flat Earth" theory) on Lake Balaton in Hungary. The goal of the experiment was to measure the curvature of the surface of a lake by shining a laser across it...
Someone on Godlike Productions trying to convince people that SpaceX is using special effects in their videos.
This is the video they cited as a demonstration .
At 0:52 they note a cloud moves and flashes oddly, and then claim this is evidence the video is fake.