He stepped up to one of the reporters. "Suppose we, take you as an
example. Your name is Rogers, is it not? Very well, Rogers, you are a space-
time event having duration four ways. You are not quite six feet tall, you are
about twenty inches wide and perhaps ten inches thick. In time, there
stretches behind you more of this space-time event reaching to perhaps
nineteen-sixteen, of which we see a cross-section here at right angles to the
time axis, and as thick as the present. At the far end is a baby, smelling of
sour milk and drooling its breakfast on its bib. At the other end lies, perhaps,
an old man someplace in the nineteen-eighties. Imagine this space-time
event which we call Rogers as a long pink worm, continuous through the
years, one end at his mother's womb, the other at the grave. It stretches past
us here and the cross-section we see appears as a single discrete body. But
that is illusion. There is physical continuity to this pink worm, enduring
through the years. As a matter of fact there is physical continuity in, this
concept to the entire race, for these pink worms branch off from other pink
worms. In this fashion the race is like a vine whose branches intertwine and
send Out shoots. Only by taking a cross-section of the vine would we fall into
the error of believing that the shootlets were discrete individuals."
He paused and looked around at their faces. One of them, a dour hard-
bitten chap, put in a word.
"That's all very pretty, Pinero; if true, but where does that get you?"
Pinero favored him with an unresentful smile. "Patience, my friend. I
asked you to think of life as electrical. Now think of our long pink worm as a
conductor of electricity. You have heard, perhaps, of the fact that electrical
engineers can, by certain measurements, predict the exact location of a
break in a trans-Atlantic cable without ever leaving the shore. I do the same
with our pink worms. By applying my instruments to the cross-section here in
this room I can tell where the break occurs, that is to say, when death takes
place. Or, if you like, I can reverse the connections and tell you the date of
your birth. But that is uninteresting; you already know it."
The dour individual sneered. "I've caught you, doe. If what you said
about the race being like a vine of pink worms is true, you can't tell birthdays
because the connection with the race is continuous at birth. Your electrical.
conductor reaches on back through the mother into a man's remotest
ancestors."
Pinero beamed, "True, and clever, my friend. But you have pushed the
analogy too far. It is not done in the precise manner in which one measures
the length of an electrical conductor. In some ways it is more like measuring
the length of a long corridor by bouncing an echo off the far end. At birth
there is a sort of twist in the corridor, and, by proper calibration, I can detect
the echo from that twist. There is just one case in which I can get no
determinant reading; when a woman is actually carrying a child, I can't sort
out her life-line from that of the unborn infant."
"Let's see you prove it."
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