Appeared in Amazing.
Man volunteers to hope aboard a time-travel experiment. He and the scientist take a trip across universes where small changes accummulate every second--changes that add up over time. Eventually, the worlds he occupies look little like the one he left.
Pretty fair fare of a time-travel yarn. It reminded me of A.E. Van Vogt's classic "The See-Saw". Title has an interesting play--the protagonist is a kind of drifter before, during, and after the story.