4 ms·hope it won't start running in opposite direction....by gtt 17y agohope it won't start running in opposite direction....TrevorJ 17y agoI wonder what that would do. Would we start to live in a universe where entropy was reversed?paulgb 17y agoI wonder how we would even know if time was running backwards. Supposing it is even possible, couldn't time be running backwards right now and we don't know it?