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Title: The Light Machine

Author: Ray Cummings

Release Date: January 21, 2022 [eBook #67208]

Language: English

Produced by: Roger Frank and Sue Clark

*** START OF THE PROJECT GUTENBERG EBOOK THE LIGHT MACHINE ***



                        THE LIGHT MACHINE
                         by Ray Cummings


Tubby took his feet off the fender of the little stove in the back
room of O’Connor’s Grocery and glared at his two friends
aggressively.

“That ain’t so,” he declared. “That ain’t so, nohow.”

“Well _he_ said,” the first man repeated, “as how that’s just the
way it is—that light travels one hundred and eighty-six thousand
miles in a second.”

“’Taint so,” said Tubby. “That’s too fast for anything to go.”

“That’s what he said,” the first man reiterated imperturbably. “One
hundred and eighty-six thousand miles in a second— that’s what he
said.”

“Well ’taint so,” Tubby repeated; he rose to his feet suddenly. “You
can see light, can’t you?” he demanded.

“’Course I can see light. I ain’t blind.”

“Can you see a automobile when it’s going past a hundred miles a
hour?” Tubby pointed a fat little forefinger directly into the first
man’s face.

“Why, why, yes,” said the first man, surprised into confusion.

“And can you see the _spokes_ of a automobile wheel when it’s going
past a hundred miles a hour?”

The first man thought a moment. “Why, why, no,” he said finally.

Tubby lowered his forefinger. “Then that proves it ain’t so,” he
declared triumphantly. “Nor you couldn’t see a bullet if I shot it
past your nose, could you?”

“You couldn’t, Jake,” the second man put in.

“No, you couldn’t,” said Tubby. “Nor you couldn’t see light if it
went that fast neither. Ain’t I right? Could you?”

“He’s right, Jake,” said the second man.

Tubby sat down.

“Well, _he_ said,” the first man resumed unabashed—“he said as how
light travels one hundred and eighty-six thousand miles in a second.
And furthermore, and in addition, he said as how some of the stars
were so far away that it takes the light hundreds and hundreds of
years just getting here from them.”

“It was all in the movie,” said the second man wearily. “‘The
Wonders of Light’—I remember it.”

“Well, _I_ don’t believe it,” said Tubby. “Because I know it ain’t
so—not none of it.”

He stood up again; then with sudden thought he waddled across the
room to the open window.

“Come here,” he said, commandingly; the two other men joined him.

“Ain’t them stars up there?” he asked. He pointed through the open
casement to a brilliant, cloudless summer evening sky.

“Yes—them’s stars all right,” the first man agreed. “If that’s what
you mean.”

“That _ain’t_ what I mean,” said Tubby. “I said, ‘Ain’t them stars
up there?’ Are they up there, or ain’t they? That’s what I want to
know.”

“They’re up there all right, Jake,” said the second man.

“If you can see them, mustn’t they be there?” Tubby persisted.

“Yes,” said the first man. “When you can see them they must be
there.”

“Then,” said Tubby—he paused impressively—“then the light of them
must be here and there at the same time. Am I right?”

“He’s right, Jake,” said the second man. “’Cause if it took the
light a hundred years to get here we couldn’t see them for a hundred
years yet. Am I right?”

The first man went back to the stove. Tubby and the second man
joined him after a moment.

“I ain’t telling you what _I_ think,” the first man remarked. “I’m
telling you what _he_ said—”

“It ain’t got no sense,” said Tubby.

“_I’m_ going to the movies,” said the second man abruptly. “Come
on.”

“Not me,” said Tubby. “I ate too much. I’m going to sleep.”

“It’s ‘The Burning of Rome,’” said the first man. “Nero playing the
piano while the city burns. Come on. It’s good—I seen the pictures.”

And reluctantly Tubby allowed himself to be led away.

The little Moving Picture Theater was hot and stuffy; Tubby found an
aisle seat with his friends, near the back. For a quarter of an hour
or more he sat blinking at the flickering screen. The Topical Review
interested him not at all; he yawned and squeezed his fat little
body lower into the hard narrow seat.

Then the picture changed. It was not “The Burning of Rome” yet, but
a short picture, evidently science. Tubby frowned at it in silence.

The first man nudged him. “Wake up,” he said. “Here’s a astronomical
picture about the stars. Wake up. It’ll be good. ‘The Burning of
Rome’s’ next.”

“I ain’t asleep.” Tubby whispered back. “I’m thinking.”

The wonders of celestial space were unfolding before Tubby’s eyes.
But he hardly saw them. He was thinking of what Jake had said—those
tremendous figures Jake had reeled off to him. What was it he had
said? One hundred and eighty-six thousand miles in a second. There
were sixty seconds in a minute, and sixty minutes in an hour! That
would be—

“’Taint so,” he muttered to himself doggedly.

He felt a light touch on his arm and looked up to see a little man
standing beside him in the aisle. In the dim light Tubby could not
see the little man very well; but he _could_ see that he did not
know him.

The little man bent down toward Tubby’s ear.

“I want to talk to you,” he whispered.

“What about?” said Tubby.

The little man shook his head. “I can’t talk in here. Come outside
for a moment.”

Tubby hesitated.

“It’s very important,” the little man added. “You must come—just for
a moment. I’ve wanted to see you for a very long time.”

Tubby clambered to his feet; his two friends, absorbed in the
picture before them, did not notice him leave. In silence he
followed the stranger back up the aisle to the lighted theater
lobby.

“I’ve wanted to see you for a long time,” the little man repeated.
Tubby could see now he was a very little man, with a thin, frail
body and a very big head set upon a long spindly neck. His hair was
snow-white and long about his ears. His yellow face was seamed with
lines, but most of it was hidden by flowing side-whiskers and by a
pair of huge iron-rimmed spectacles. He wore a long black frock coat
that hung from his thin shoulders like a shroud.

“I’m a professor,” said the stranger. He held out a shriveled,
taloned hand. “A Professor of Light,” he added impressively.

“Oh,” said Tubby.

“My name is Obadiah Oats.”

Tubby shook hands. “Mine’s Tubby,” he said. “Pleased to meet you.”

The professor put on his high hat, which made him nearly as tall as
Tubby.

“I want to consult you on a matter of very great importance to both
of us,” he said slowly.

Tubby waited.

“About light,” the professor added. He linked his arm in Tubby’s
confidentially. “I need your help. They tell me you’re the smartest
man in town. I wanted to find you. With a brain like yours and
mine—”

“Yes,” said Tubby breathlessly, when the professor paused.

“My laboratory’s right across the street,” said the little man.
“I’ll show you.” Tubby followed the professor out of the theater,
through a little doorway across the street and up several flights of
rickety stairs into a room on the top floor of the house.

“This is where I work,” said the professor. “Sit down.”

It was a large room with endless row of bottles upon tiers of
shelves lining its walls. Several long tables stood about, and Tubby
saw they were crowded with curious apparatus—little tubes in racks,
microscopes, triangular pieces of glass with candles behind them,
and several contrivances of wheels and weights that looked like
clock works. In the exact center of the room was one larger
apparatus of a sort Tubby had never seen before; it seemed very
complicated and he stared at it with awe. He could make nothing out
of it except that part of it was a huge telescope, extending up
through the skylight of the room. He glanced upward, and there,
through a narrow, open slit in the glass, he could see the stars
shining.

“That’s a Light Machine,” said the professor, following his glance.
“There’s only one in the world, and there it is.”

“Yes,” said Tubby.

“It’s the most wonderful machine that was ever built,” the professor
went on softly. “I built it; and now _you_ are going to help me make
money out of it.”

“Yes,” said Tubby. “How?”

“That’s what _you_ are going to tell _me_. Don’t you see? I am a man
of science—you are a business man. That’s the difference between
us.”

“Yes,” said Tubby.

“First I’ll have to explain. You have a head for figures, of
course?”

“No—yes,” said Tubby. “Of course.”

“But you don’t know much about light?”

“Yes—no,” said Tubby.

“Naturally. How could you. Nobody does—but me. And I know all about
it—_all_.” He emphasized the last word impressively. “And now I’m
going to tell it to you.”

“Thank you very much,” said Tubby, and waited.

“All my life,” began the professor—he spoke softly; his eyes, fixed
on Tubby seemed staring at dim, distant spaces—“all my life—since I
was a little boy—I have been studying the properties of light. It is
a very wonderful thing—you realize that, do you not—the most
wonderful thing in the whole of science?”

“Oh, yes,” said Tubby.

The professor drew in a deep breath, like a long sigh reversed.
“Light,” he began again, “is a vibratory wave in the Ether. You know
what the Ether is?”

“No,” said Tubby.

“It is like air. But you cannot breathe it. It exists
everywhere—even in the outermost realms of Space. Now do you
understand?”

“Yes,” said Tubby.

“Light is vibration of the Ether,” the professor went on in his
droning voice. “Its vibrations travel through the Ether at the rate
of one hundred and eighty-six thousand three hundred and twenty-four
miles a second.”

“I know _that_,” said Tubby.

“You are a learned man,” the professor said admiringly. “You have a
wonderful mind. I knew you had—they said so.”

“Yes,” said Tubby. “Go on.”

The professor jerked his little body upright in his chair suddenly,
so suddenly that Tubby started violently with fright.

“How long is a second?” the professor asked aggressively.

“Why—tick-tick. That’s it,” said Tubby.

The professor relaxed in his chair. “You _are_ a clever man. You
will have your little joke.

“But we must be serious. I will tell you how long a second is. It is
exactly one-thirty-one millionth, five hundred and fifty-eight
thousandth, one hundred and forty-ninth part of a year.”

“Oh,” said Tubby.

“Do you know what a year is?”

“Three hundred and sixty-five days,” said Tubby promptly.

The professor smiled again. “A year is the time it takes the Earth
to revolve once around the Sun. Thus you see there are 31,558,149
seconds in a year—which is a little more than 365¼ days.”

“Yes,” said Tubby. “I see.”

“Now to find out how far light travels in a year we simply take its
speed per second and multiply it by sixty. That is its speed per
minute. Multiply that by sixty gives it speed per hour and so on up
to a day or a year. Do you understand?”

“Yes,” said Tubby. “How—how far does it go in a year?”

The professor raised his hand.

“_That_ is a very simple problem—only mental arithmetic for me.
Wait. Let us go further.”

“Yes,” said Tubby. “Go on.”

“The distance Light travels in one year is called a Light-year. Now,
some of the stars are so far away that it takes light many centuries
to come from them, traveling at that speed I have just mentioned.
Thus we measure their distance from us as so many hundred
Light-years. Do you see?”

“Yes,” said Tubby. “How—how many miles away from us is the farthest
star—the very farthest?”

The professor leaped to his feet. “Ah, I was expecting you to ask
that.” His face was beaming. “You _are_ a clever man. But I’m ready
for you. I figured it all out this afternoon and wrote it down. I’ll
show you.”

He led Tubby to a corner of the room. Tubby saw a perfectly enormous
roll of narrow paper tape, like the tape that comes from a stock
ticker, or is rolled up around baby ribbon. Only this roll was
bigger than he was. It was hung vertically on a spindle, which had a
handle to rotate it so that the tape could be unwound and wound
again easily. A few feet away there was a similar spindle, but
empty.

“I wrote it down for you,” the professor repeated—“the distance in
miles of the furthest star from the Earth. I wrote it down—on this.”

He took the loose end of the tape and reeling off a few feet hooked
the end onto the empty spindle.

“Watch closely,” he said. “I’m going to show you the number.”

He started to wind up the tape on the empty spindle. Tubby stood
close beside the strip of tape stretching the space between the two
spindles; it passed directly under his face.

“Watch closely,” said the professor again. “There comes the first of
it.” Tubby saw a row of little digits start on the tape. The first
three were 154. Then after the comma began a string of ciphers;
after each three ciphers was another comma. The moving tape carried
this endless row of little ciphers swiftly under Tubby’s nose. He
stared at them fascinated. Faster and faster they flew by as the
roll of tape wound up on the spindle the professor was turning. For
half an hour he turned briskly. Then the row of ciphers stopped just
as the other end of the tape fluttered off the unwinding spindle.

The professor leaned against the wall, breathing hard.

“That—was—the—number,” he gasped.

Tubby blinked. “What—what number was it?” he asked finally.

The professor recovered his breath and sat down again in his chair
wearily.

“It was one hundred and fifty-four zin-tillions,” he answered. “The
largest number that has ever been written down. Wrote it down this
afternoon.”

“Yes,” said Tubby. “It _was_ a big number.”

The professor pulled at his side-whiskers thoughtfully. “We must get
on,” he said. “Now you understand how far the stars are away. And
how fast light travels. That brings us to my Light Machine.”

Tubby sat up with interest. “To the Light Machine. Yes, go on.”

“As you can see,” the professor continued. “I know all about Light—I
am its master. No one in the world knows as much about Light as I
do. And only one man in the world thinks he does.” The professor’s
eyes gleamed vindictively. “Ah, how I hate him, that man!”

“Who?” Tubby asked with interest. “What is his name?”

“His name is Einstein,” answered the professor. “I hate him—I loathe
him—I despise him.”

“Oh,” said Tubby. “I’m sorry.”

“But he cannot harm _me_. I’m too clever for him. And _you_ will
help me. We still have time—he cannot prove anything yet.”

“No—yes,” said Tubby.

The professor stood up. “Let us get on with my invention. _Then_
you’ll see what a wonderful man I am. I will be brief.”

Tubby joined him beside the telescope in the center of the room.

“What you must understand first,” said the professor, “is _my_
theory of Light.” Tubby waited.

“No light is ever destroyed,” the professor continued. “It passes
beyond our vision, that is all. But it always exists somewhere, in
the outer realms of Space.”

“That’s where it goes when it goes out,” Tubby put in. “Ain’t I
right?”

“Yes,” said the professor. “That’s where it goes—out into the realms
of Space.

“Now what you must understand is that light can be reflected,
refracted, polarized, but never destroyed.” He pointed to his
instruments on one of the tables. “_I_ can do all those things to
it—and a thousand more—but I cannot destroy it.”

“Right,” said Tubby. “But if you put it out you can’t never get it
back, can you now?”

The professor beamed on him genially. “Your brain works too keenly,”
he said. “You anticipate me. No, _I_ cannot get it back. But it
comes back. That’s just the point—it comes back. That’s what nobody
in the world knows except me—me and you.

“The sun,” he went on, “gives us most of our light—it gets here to
the earth from the sun in a few minutes. The moon gives us reflected
sunlight. It is the same light, only it comes to us from the sun by
way of the moon. It takes a little longer that way.”

“How much?” Tubby asked.

“Not much—just a few seconds—the moon is not far away. Now all this
light that strikes the earth is reflected back into space. In a
hundred years—less or more according to the distance—it strikes the
different stars. There it mingles with other light. And then, mark
me well, and then”—the professor paused impressively—“then in
another hundred years it comes back to us again—the same light—mixed
with other light of course—but some of the same light we had two
hundred years before. Do you understand?”

“No—yes,” said Tubby.

“That,” said the professor, “is the _Oats Theory of the Rationality
of Light_. I call it that because it _is_ rational—it is in
accordance with all known physical laws.

“Some others I could name”—the professor’s voice shook with
suppressed passion; his eyes gleamed again wickedly—“some others are
not so scrupulous. _Their_ theories do _not_ coincide with
recognized physical laws—they transgress them all. Mere astronomical
outcasts—mathematical lepers—scientific pariahs—”

“Oh—you mean that other guy?” said Tubby.

The professor calmed himself with an effort. He pulled a huge black
silk handkerchief from his pocket and mopped his dripping forehead.

“We won’t talk of him,” he said after a moment.

“No, we better leave him out of it,” Tubby agreed. “Ain’t I right?”

The professor nodded. “Now we come to _my_ great discovery. I’ll
tell you about that now.

“When this sunlight is reflected from the moon to us, it brings with
it an image of the moon, which was not in the light when it left
the sun. Do you understand?”

“No—yes,” said Tubby.

“That’s why we can see the moon—the light brings us the image. All
light carries an image of something—that’s why we can see things.

“Now when light leaves the earth and goes out into space it takes
with it an image of the earth and everything that is happening on
the earth.”

“Right,” said Tubby. “Go on.”

“Now some of this light may have to travel a hundred years before it
reaches a star. When it does it mixes with other light and is
reflected back in another hundred years to us. But—mark you this—but
it still carries the image of the earth and what happened on the
earth when it was here.”

“But you don’t see _that_,” said Tubby. “We see the star. Ain’t I
right?”

“Yes,” said the professor. “Of course you’re right. And the reason
we see the star is because that image is the last one the light got.
That is predominate. All the others are there—but they are hidden
away beneath the star image.”

“Oh,” said Tubby.

“Nobody ever knew they were there, and so of course nobody ever
tried to get them out. But _I_ knew they were there— that’s the
_Oats Theory of the Rationality of Light_. And I have got them out!”
His voice rose in triumph. “That’s the Light Machine—the greatest
invention in the history of the world!”

“Oh, the Light Machine,” said Tubby, when the professor paused.

“The Oats Light Machine—here it is—the only one in the world. I’ll
show you at once.”

He switched off the lights. The room was quite dark except for a
little beam of white light that seemed to thread its way through the
intricate system of mirrors and prisms of the Light Machine. Tubby
could not see where this light came from or where it went to. But he
saw distinctly that it turned several corners and was alternately
broad and narrow. It was white throughout most of its course; but in
one short span it was a dark, angry red, and in another a deep,
beautiful purple.

“The Light Machine,” the Professor began; his fingers caressed one
of its little reflectors lovingly, “is able to extract from light
all the images it holds, no matter how long they have been there.”

“That’s wonderful, ain’t it?” said Tubby with admiration.

“Yes. Let me show you. Here is the telescope. I train it on a star—a
star, mark you, that is not a sun, but that shines by reflected
light. This beam of starlight, contains moonlight, earthlight,
sunlight (_our_ sunlight, you know)—and the light from millions of
other suns. The starlight comes out from here”—he touched the lower
end of the telescope.

“Now you see this ray of my own created light passes directly in
front of where the starlight comes out—that’s where they mix.”

Tubby saw the little beam of white light crossed at right angles to
the telescope eyepiece and passed very close to it.

“This light of my own is created by burning zonogen—a gas I
discovered myself.

“From this point, where the starlight joins it, my ray goes to the
spectroscope”—he touched another portion of the Light Machine—“and
it is polarized here. These”—he indicated a long row of tiny black
compartments; Tubby could see the beam of light entering at one end
and emerging at the other—“these are my image extractors. Each takes
from the light some of its images—leaving finally only the
earthlight and the images that belong to it.

“There are many other processes—_some_ day you will understand them
all. But for now—let me show you the result.

“The pure earthlight passes last of all into my projector. See it
here?” He laid his hand on what looked to Tubby something like a
magic lantern.

“My operating power is electricity.” He turned a switch. Tubby first
heard a low hum and then a whirring, clicking sound.

“This projector magnifies the image—throws it up on a screen.” He
pointed to the wall; Tubby saw a small square of canvas hung on the
wall.

“Now then,” the professor continued, his voice trembling with
emotion, “that star my telescope is pointing at is now exactly nine
hundred and twenty-seven and one half Light-years away. That means
that eighteen hundred and fifty-five years ago to-night the light we
are getting back now from that star left the earth. Do you know what
was happening eighteen hundred and fifty-five years ago to-night?”

“No,” said Tubby. “Yes. Lots of things.”

“I can pick anything I want from the light,” the professor answered.
“I merely tune my instruments differently. Like wireless, you
know—it’s all a matter of vibration. I have picked the most
important thing that was happening—the ‘Burning of Rome’!”

He turned another switch; the clicking sound grew louder. On the
sheet, Tubby saw a great city in flames. He seemed to be standing on
a hill, looking down at it. In the foreground he saw the young Roman
Emperor, with his mistress, his friends and his music, as they
reclined at ease, watching the destruction. Tubby stared for a long
time, fascinated.

“You are looking into the past,” he heard the professor’s droning
voice saying.

“All that has been stored up in the light all these years. It is
light itself—the work of God, not of man.

“That is Nero sitting there. No one living to-day on this earth has
ever seen him before. But there he is—Nero the Cruel, Emperor of
Rome. _We_ see him, you and I, for we are looking into the
past—looking into the past.” The professor’s voice trailed off into
silence.

Tubby stared breathlessly. His heart was beating fast; he was
trembling all over. He felt suddenly a little faint. He was in a
cold sweat, and he sat down abruptly in a little wooden chair beside
the Light Machine.

The scene before him was very vivid; he could almost hear the
Emperor’s music. Why, he _did_ hear music! Funny! The professor had
not mentioned that.

The clicking noise grew louder; the scene before him was so bright
he could see nothing else around. It was very dark, and very close
and stuffy. Where was the professor? Why didn’t he say something
about the music?

Tubby grew a little frightened. He shifted his feet uneasily. The
little chair in which he was sitting was very uncomfortable. It
cramped him; his back hurt. After a little while the scene before
him slowly faded. The lights in the room flashed on; a rustling, and
a shuffling of many feet sounded in his ears.

Tubby sat up abruptly, blinking in the sudden light.

“Some kid, that Nero—eh, Jake?” said a voice beside him.

“You said it. Some picture. Come on, Tubby, let’s go home,” said the
first man.


[Transcriber’s Note: This story appeared in the June 19, 1920 issue
of All-Story Weekly magazine.]

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