Messing with the past takes you and puts you into the future — His sweaty hands were trembling while doing the final adjustments on the vehicle. Hugh Leslie had become a wretch with all the stress of years and many unsuccessful attempts. He was alone in his workshop, if the ball of dough he called isotope wasn’t counted. …

Those were the days life continued in different layers of reality — Clifton, now in his 70s, was still amazed at the impact his inventions had on society. He had been a member of the team working on quantum processors (QPs). “In those days, I was always thinking about the form of reality. And in the meantime, I was working on a…