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The moment had the definite feel of being in an H.G. Wells novel about a time machine. Or a late-night college dorm session arguing the impossibility of time travel, with the theory that if you went back twenty years, you could conceivably meet a younger version of yourself on a street corner. And what happens then? But I met myself the other day, and had to laugh! Bits and pieces of my past...

Much has been written of time travel, mostly in science fiction. A few scientists have written about the possibility of traveling in time, but it isn't even at the hypothesis level. Personally, I don't think time travel is possible. If it were, why haven't I seen anyone around from the future? Not once in the 70 or so years that I have been alive has anyone from the past or future...

It was in the movie, Back to the Future, where Marty McFly drove Dr. Emmett Brown's special car back in time. Of course there have been many movies about time travel, both into the future as well as into the past. Most of them didn't have a car but rather some kind of complicated machine. Even now, reputable scientists explore the possibility of time travel. They postulate the idea of using a...