Harlan entered the cubicle and looked back to make sure that the curtain separating the conduit from eternity was in place and that sociologist Voy was not watching him. Over the past three weeks, it had become a habit, an automatic gesture, this quick glance over his shoulder, to ensure that no one was behind him in the cubicle conduit. And then, even though he was already in the 2456th, he started for the upwhen. He watched the numbers on the chronometer increase. Although they changed at great speed, he had enough time to think. How things had changed with the discovery of the programmer! How his very crime had changed!