This is a slightly revised version of an article of the same title originally published in the journal Futures. The full citation for the original article is: Joshua Floyd, Thermodynamics, entropy and disorder in futures studies, Futures, Volume 39, Issue 9, November 2007, Pages 1029-1044, doi:10.1016/j.futures.2007.03.011. Abstract The conceptual bases of futures studies are constrained…