<h2><SPAN name="CHAPTER_III" id="CHAPTER_III"></SPAN>CHAPTER III</h2>
<h2>THE NEW ARRIVAL</h2>
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<div><span class="pagenum"><SPAN name="Page_32" id="Page_32"></SPAN></span></div>
<h3><i>THE SCRIBE'S NOTE ON CHAPTER THREE</i></h3>
<div class="blockquot"><p>It will be well to keep clearly in mind
that an electron is a real particle of negative
electricity.</p>
<p>Electrons have been discovered only within
recent years.</p>
<p>No matter from what substances we take
them, they are always identical in every respect.</p>
<p>Some electrons are attached to the atoms
of matter in such a way that they may be
removed easily from one object to another.</p>
<p>When a surplus of these detachable electrons
is crowded on to any object, we say that
it is charged with negative electricity.</p>
<p>We speak of the other object, which has
lost these same electrons, as being charged
with positive electricity.</p>
<p>In this chapter the electron refers to the
old-world experiment in which a piece of
amber when rubbed attracts any light object
to it.</p>
<p>For many ages man believed this to be a
special property belonging to amber alone.</p>
<p>One of Queen Elizabeth's physicians discovered
that this property was common to
all substances.</p>
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<p><span class="pagenum"><SPAN name="Page_33" id="Page_33"></SPAN></span>
It is most amusing to me and my fellow-electrons
to hear intelligent people speak of
us as though we were new arrivals on this
planet. Dear me! We were here for countless
ages before man put in an appearance.
I wonder if any man can realise that we have
been on the move ever since the foundations
of this world were laid. It is man himself
who is the new arrival.</p>
<p>It does seem strange to us that men should
be so distinctly different from one another.
We electrons are at a decided disadvantage,
for we are all identical in every respect. I
have no individual name—it would serve no
purpose. Even if you could see me, you
could not distinguish me from any other
electron. I wonder sometimes if men appreciate
the great advantage they have in possessing
individual names. I was impressed
<span class="pagenum"><SPAN name="Page_34" id="Page_34"></SPAN></span>
with this thought one fine summer morning.
While I was riding on the back of a particle
of gas in the atmosphere, I was carried
through the open window of a nursery just
as the under-nurse was putting the room in
order. A little later there was some commotion
in the nursery, for the young mother
and her mother had come to see the twin
daughters being bathed by the nurses. The
grandmother happened to remark how very
much alike the two little infants were. She
said laughingly to the head nurse that she
must be careful not to get the children mixed.
But the big brother, aged five years, remarked
that it would not matter really how much
they were mixed until they got their names.
Sometimes I wish we electrons did differ from
one another, so that we might each possess an
individual name, but no doubt it is necessary
for us all to be exactly alike.</p>
<p>Long before man had discovered us, he
caused us deliberately to do certain things.
He was mystified by the results of his experiments,
for he was not aware of our presence.
A few of my fellow-electrons have rather
hazy recollections of being disturbed while
clinging to a piece of amber. They had been
<span class="pagenum"><SPAN name="Page_35" id="Page_35"></SPAN></span>
disturbed often before in a similar way, by
being rubbed against a piece of woollen cloth,
and the result had been always that a number
of electrons let go their hold upon the cloth
and crowded on to the amber. The overcrowding
was uncomfortable, but it happened
usually that the surplus electrons found some
means of escape to the earth, where there is
no need of excessive crowding.</p>
<p>On the occasion to which I refer, it so
happened that the rubbing had been unusually
vigorous and prolonged, so that
the electrons were crowded on to the amber
in great numbers. In their endeavour to
escape they produced a strain or stress in
the surrounding æther, and this caused a
small piece of straw, which was lying within
the disturbed area, to be forced towards
the amber.</p>
<p>What attracted the attention of the electrons
was that the man who was holding
the piece of amber removed the clinging
straw and replaced it exactly where it had
been lying. In the meantime he had been
handling the amber, and many of the crowded
electrons had managed to make a bolt for
the earth by way of the man's body. They
<span class="pagenum"><SPAN name="Page_36" id="Page_36"></SPAN></span>
did this so very quietly that the man did
not feel any sensation. However, as soon
as the amber was rubbed again, a similar
crowd provided the same attractive property.
We electrons became impatient to hear what
man would say of our work, for it was
apparent that he had noticed the movements
of the straw. You will hardly believe me
when I tell you to what decision these wise
men of the East came. They declared that,
in rubbing the amber, it had received heat
and life. As if life could be originated in
any such simple manner!</p>
<p>You can picture our disappointment when
we found that man was going to ignore our
presence. Occasionally we were given opportunities
of displaying our abilities in drawing
light objects towards pieces of rubbed amber.
But the funny thing was that man got hold
of the stupid idea that this attractive property
belonged to the amber instead of to us. If
he had only tried pieces of sulphur, resin,
or glass, he would have found that these
substances would have acted just as well.
You see it was not really the substance,
but we electrons who were the active agents.</p>
<p>We had given up all hope of being
dis<span class="pagenum"><SPAN name="Page_37" id="Page_37"></SPAN></span>covered,
when news came along that a learned
man was on the hunt for us. He was crowding
us on to all sorts of substances. He rubbed
a piece of glass with some silk, and at first
he was surprised greatly to see light objects
jump towards the excited glass. Of course,
we were not surprised in the very least. The
only thing that amused us was to find that
he was making out a list of the different
substances which showed attractive properties
when rubbed. He could not, evidently, get
away from the idea that it was the substances
themselves that became attractive.</p>
<p>We were sorry that the poor experimenter
wasted so much time and energy in trying
to crowd us on to a piece of metal rod. He
rubbed and he rubbed that metal, but it
would attract nothing, and I shall tell you
the reason. You know that we electrons
hate overcrowding; indeed we always separate
from one another as far as possible when
there is no force pulling us together. We
only crowded on to the amber because we
could not help ourselves; we had no way
of escape, for amber is a substance we cannot
pass through. But we have no difficulty
whatever in making our way along a piece
<span class="pagenum"><SPAN name="Page_38" id="Page_38"></SPAN></span>
of metal, and as soon as the rubbing began,
some electrons moved off the metal by way
of the man's arm and body to make room
for those being crowded on to the metal from
the rubber. And so there never was any
overcrowding, and consequently no straining
of the æther. But it was not long before
we found that man had succeeded in cutting
off our way of escape. He had attached a glass
handle to the metal rod, and we were compelled
to overcrowd upon the metal as we could
not pass through the glass handle. Neighbouring
light objects were attracted by the
excited or "electrified" metal. Even this
demonstration did not put man upon our
track.</p>
<p>Perhaps I should explain in passing, that
when a glass rod is rubbed with a silk handkerchief
we crowd on to the silk, and not on to
the glass. This leaves the glass rod short
of electrons, and the æther is strained so that
light objects are attracted. Man did notice
that there was some difference between a
piece of amber and a piece of glass when
these were excited. What the difference was
he could not imagine, but to distinguish the
two different conditions he said that the
<span class="pagenum"><SPAN name="Page_39" id="Page_39"></SPAN></span>
amber was charged with <i>negative</i> electricity
and the glass with <i>positive</i> electricity.</p>
<p>From that time forward man became of
special interest to us. We felt sure that
sooner or later he was bound to recognise
that we were at work behind the scenes. It
seemed to us, however, that man was desperately
slow in turning his attention towards
us, and we tried to waken him up in a rather
alarming fashion, as I shall relate in the
succeeding chapter.</p>
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