<h2><SPAN name="CHAPTER_XIII" id="CHAPTER_XIII"></SPAN>CHAPTER XIII</h2>
<h2>A BOON TO MAN</h2>
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<div><span class="pagenum"><SPAN name="Page_126" id="Page_126"></SPAN></span></div>
<h3><i>THE SCRIBE'S NOTE ON CHAPTER THIRTEEN</i></h3>
<div class="blockquot"><p>While it has been known for a long time
that <i>light</i> and <i>radiant heat</i> are merely waves
in the æther, it was not known until recently
how these waves were produced.</p>
<p>The discovery of electrons has given us a
reasonable solution of our difficulty.</p>
<p>The electron explains the actions of its
fellows in this great work of producing light
and heat.</p>
<p>Incidentally the electron explains how they
produce an aurora in the heavens, and how
it is that the earth has become a negatively
electrified body.</p>
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<p><span class="pagenum"><SPAN name="Page_127" id="Page_127"></SPAN></span>
Every living thing is dependent upon our
activities. It is we electrons who send out
heat and light from the sun, and it is we
who receive these on their arrival upon this
planet. Our action in the matter is really
very simple, but until man discovered our
existence, he was mystified considerably.</p>
<p>We were amused to hear man say that
the atoms of incandescent matter in the
sun produced waves in the æther, and that
when these æther waves fell upon other
atoms on this planet, these were set into a
state of vibration, thus producing heat and
light. Now if man had only stopped to think,
he would have seen how ridiculous it was
to speak of atoms of matter producing waves
in the æther. He ought to have known that
atoms of matter cannot affect the æther,
<span class="pagenum"><SPAN name="Page_128" id="Page_128"></SPAN></span>
for it offers no resistance to matter moving
through it.</p>
<p>Man might have pictured himself riding
on the back of this great planet, flying through
space at a speed very similar to that of a
rifle bullet, and yet even the flimsy blanket
of air surrounding the planet is not disturbed
by the æther through which it is
rushing.</p>
<p>It is true that the atoms of matter play an
important part in the origin of heat, but the
atoms in the sun could no more affect the
atoms on the earth than could a man on the
earth push the moon about. It is the very
intimate connection between us electrons and
the all-pervading æther which enables our
fellows in the sun to communicate with those
of us upon this planet. Where would man be
without us?</p>
<div class="figcenter"> <span class="pagenum"><SPAN name="Page_129" id="Page_129"></SPAN></span> <SPAN href="images/figp129-800.jpg"> <ANTIMG src="images/figp129-400.jpg" width-obs="275" height-obs="400" alt="" title="" /></SPAN> <p><small><i>By permission of Siemens Schuckert Werke</i> <span class="ralign"><i>Berlin</i></span></small></p>
<p class="smcap bold center">Protection Against a Discharge of Electrons</p>
<p>When a man is encased completely in an over-all made of flexible
metallic gauze he is proof against shock due to a discharge of
high-tension electricity. The part played by electrons in the
case of electric shock is explained in <SPAN href="#CHAPTER_IV">Chapter
IV</SPAN>.</p>
</div>
<p>I cannot understand wherein man should
find any mystery in connection with this very
simple action of ours. You will picture our
distant fellow-electrons making very rapid
revolutions around the atoms of matter to
which they are attached as satellites. Just
as the moon circles around the earth, so do
we circle around our atoms, but at an
enor<span class="pagenum"><SPAN name="Page_131" id="Page_131"></SPAN></span>mously
greater speed. Of course the whole
length of our orbit is inconceivably small, and
the speed of our revolutions is inconceivably
great. It is our rapid motion through the
æther which produces those waves known to
man as radiant heat and light. Some one
may ask how it is that we electrons can
disturb the æther while the giant atoms
cannot. The obvious answer is that we are
not matter, but electricity; we are not in the
same category as atoms of matter.</p>
<p>To complete the picture which I was drawing,
you have only to think of the æther
waves arriving upon this planet and disturbing
sympathetic electrons, causing them
to revolve around their atoms in similar
fashion to our distant fellows who are producing
the æther waves.</p>
<p>It may be that some people get confused
between this action and that of those electrons
who are shot off bodily from the sun towards
the earth. Believe me, there is no connection
between the two things. The stream
of electrons shot off from the sun is deflected
towards the magnetic poles of the earth, and
as the electrons enter the upper layers of
the atmosphere they produce that beautiful
<span class="pagenum"><SPAN name="Page_132" id="Page_132"></SPAN></span>
luminous effect which man describes as an
<i>Aurora</i>.</p>
<p>I have never taken part in one of these
great displays, for, as far as my recollection
goes, I have never been in the sun, although
some fellow-electrons declare that at one time
we were all in the same great glowing mass
of which the sun, and every member of the
solar system, formed a part. However that
may be, I certainly have no experience of
auroræ, but I have assisted in producing the
very same effect upon a small scale within a
vacuum tube. The air remaining in these
so-called vacuum tubes is just as rarified as
the air in the upper layers of the atmosphere,
and when we are shot across the tube we
act in the same way as those electrons
arriving upon this planet from the sun.</p>
<p>You will observe that as a surplus of electrons
arrives upon the earth from the sun,
the earth is naturally a negatively electrified
body, but I need hardly say that the earth
does not keep all the electrons which arrive
upon it.</p>
<p>My scribe points out that I am wandering
from the story which I set out to tell in
this chapter, so I shall try and please him.</p>
<p><span class="pagenum"><SPAN name="Page_133" id="Page_133"></SPAN></span>
The direct cause of light, whether it be
natural or artificial, is the rapid motion of
electrons around atoms of matter. If they
revolve at a comparatively slow speed they
produce those æther waves which man calls
<i>radiant heat</i>. If these satellite electrons, however,
desire to affect the eye of man, they
have to move around at a very much greater
speed. If we travel at too fast a speed, then
we cease to cause the sensation of light. But,
believe me, all the waves we make are of
the same nature, no matter what names man
has given them. The only difference we can
make in the waves is the rate at which they
follow one another. Of course we can also
make them larger or smaller in height, or, in
other words, of greater or less amplitude, but
that does not affect their properties.</p>
<p>In the following chapter I shall tell you
of some remarkable phenomena which our
different æther waves produce in the brain
of man.</p>
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