Jack posted an experiment in January 2017, where he takes two water bottles and puts one in the snow, and the other in the concrete. https://www.youtube.com/watch?v=rIF-2VVKk0w This is so far down in the index, you probably won't see it. But not important enough to bump to the top. [@nonymouse] [Guardster] [Proxify] [Anonymisierungsdienst] |