The year 2020 @FQXi essay contest is about Undecidability, Uncomputability, and Unpredictability.
Matthew Booth and myself are entering the contest with our essay Physics and science: the art of taking a stance about undecidable questions.
You can read the essay and participate to the public scoring system at the following link https://fqxi.org/community/forum/topic/3477 . Other essays are also available by clicking the contest tab in the previous link.