Lionel laughed. "What's so important?"

"Look, man, I'm a psychiatrist. The functioning of the human mind is

my baby. Or," he added bitterly, "it should be. But, darn it, all we

can do is to surmise, theorize, hope and pray. We don't know what makes

schizophrenics, or manic-depressives or any of the other mental quirks.

We aren't even certain why some people are well liked while others, of

almost identical get-together are heartily disliked. But you've come up

with a little dingus that causes a switch-over from one personality to

another merely by pushing a button. Find out why and we psychiatrists

may some day get to first base in psychoanalysis."

"Um--I suppose a real pathophone would be a help."

"Pathophone is a good word," smiled the psychiatrist, "but to dig

into a warped mind without having the erroneous impressions and false

evaluation clouding the only entry ... we'd be able to clear up almost

any mental condition. Now, how does it work?"

"I am not prepared to say. I was seeking experimental data on

the 'epicenter' of the poltergeist phenomena--the poltergeist

usually manifests in the vicinity of or because of some central

influence--usually a person who is unaware of his potentiality. At any

rate, I was setting up a series of local magnetic and electrostatic

fields and then trying the micro-microwave spectrum for response. I

was running up through the region between long heat radiation and

micro-micro radio waves when--blooey!--I was the engineer. I switched

back eventually and consolidated my findings into that little tungsten

box."

"I want the dope on it."

"I'll give it to you," nodded Thomas. "As soon as I make some final

measurements and consolidate my data."

"Fine. Mind telling me what causes the poltergeist?"

* * * * *

"As best I can. The present concept of space is that space itself is

under internal strain. Force vectors in cancellation prevail, resulting

in a stable continuum. Space is warped by electrostatic effects,

magnetic effects, and gravitic effects. These local effects do not

create a discontinuity in the space strain, and therefore no eruption

takes place. Now enters the epicenter. Radiation from his mind or brain

in thinking goes out and starts a very minor sympathetic oscillation

in the warps and strains of space. If these strains are in the right

vectorial situation, the minor oscillation builds up the response

amplitude--"

"That doesn't make sense," objected the doctor. "Mental radiation must

be weak. How can it induce high power?"

"It can't. But if you know radio at all, you'll recall that a high 'Q'

circuit will develop very high voltages across the terminals with a

very small driving voltage. Well, this is analogous to the epicenter

effect. The epicenter wave causes instability in the space strains

because the brain wave is not a natural phenomena of space. Then--like

two sticks end to end under compression, it takes very little sidewise

thrust to make the compression-force collapse, forcing the sticks out

at right angles. Follow?"

"But where did this energy or force come from?" puzzled Hamilton.

"Isn't that a violation of the Law of Conservation of Energy?"

"Not at all. The law is still valid. It does state that you cannot

get more out of anything than is put into it. The guesswork comes

in deciding how the energy got there. Coal, for instance, is just a

black stone. It has potential energy which was put into it by the eons

of solar energy shining on the carboniferous forests. A stone has

potential energy for falling. Where did it get it? It may have been

carried up the hill; it may have been dropped from space--put out there

by the cosmic eruption that caused Creation. Or it may have been on the

edge of a gully and the potential drop made by the stream eroding the

ground out from under it."

"How about atomic power?"

"You mean, how did the power get locked in the atom?"

"Yes."

"The power in the atom was put there by the universe's atom factories.

Sol, and the other suns," explained Hamilton.

"But where did the earth--?"

"Creation," murmured Thomas. "Who knows? I don't. Every time somebody

comes up with a perfect answer, someone else comes up with perfect data

that proves that the answer couldn't be _anything_ that anybody has

ever used before.

"The atom factory is the Solar Phoenix. You start with hydrogen and

carbon. The solar heat is such that they combine atomically to an

unstable isotope of nitrogen which immediately becomes a stable isotope

of nitrogen. More hydrogen gets in, making it unstable oxygen and so

forth. Oxygen breaks down, releasing energy, helium, and, what do you

know, carbon again, which begins to take on hydrogen again, and here

we go again. But the thing is uncontrolled hell on wheels. Things go

wrong due to the variances of pressure and temperature, and the oxygen

doesn't always break down into helium and carbon. It takes offshoots

and sidetracks. It'll add hydrogen and become fluorine, for instance,

which then adds more and becomes something else, some of which trails

off like the branches of a tree and do not break down into recurrent

reactions. Hence the other atoms."

"I'll read about it and get the real picture. Know a good book?"

Thomas scratched his chin. "If you can find a copy of 'The Days of

Creation,' by Willy Ley, the first part of the book has a description

of the Solar Phoenix."

"Well, good enough," said Dr. Hamilton. "But just bear one thing in

mind. You think you've beaten the engineer. Your basic trouble is just

that the engineer is you, too. He has your ability and your knowledge

and your experience upon which to work. He is no fool, and you can take

that as a back-handed compliment if you want to. He is just as capable

an engineer as you are a physicist. He thinks in different channels, I

will admit. But, Thomas, remember that his extra-channellar thinking is

done with the same thinking equipment as yours is, and it is no less

efficient because of being divergent from your own thought-track. Your

battle was won too easily to be conclusive."

"What do you expect?"

"I wouldn't know. I'm no scientist in physics." Hamilton held up a hand

as Thomas started to protest. "I use 'scientist' despite your dislike

of the word only because there is no term that describes both of the

attributes of practical engineer and research physicist. Frankly, I'm

hoping for an eventual coalition, but I fear not."

"Why view no-coalition with distaste?" demanded Thomas.

"Because both personalities offer much to the world, to science in

general, and to the body that houses both of them."

"I heartily dislike all aspects of practical engineering," stated

Thomas flatly. "To be everlastingly forced to retrace your own

steps, again and again and again, working out the most insignificant

details--bah!"

"The engineer has another viewpoint."

"I know. But the engineer in this case is here only because of his own

necessity--which he himself has removed. I am the real entity; I am the

desire of the engineer. I am what he wants to be. _I am what he will

become!_"

* * * * *

"Good morning, Frank."

"Morning, Miss Elaine. Mr. Lionel isn't here."

"He'll be back?" asked the girl.

"Oh yes. He went over to see Dr. Hamilton."

"Oh. Frank, the usual question?"

"This morning he is Thomas Lionel, Ph.D., M.M."

"Oh."

"He went to bed Tom Lionel, Consulting Engineer."

"I wonder if he remembers," smiled Elaine.

The _Poltergeist_ landed on the lawn. It was silent, but a flash of

sunshine caught the sleek side and attracted Elaine's attention.

"Hi," she called as she emerged from the house.

"Howdy," he answered. "What brings you out?"

"Never ask a girl a question like that," she laughed. "You'll never get

the right answer."

"Why?"

"If she says 'you' it's either a lie or she's the kind of girl your

mother tried to protect you from. If she says anything else, it's

either a lie or she's the kind of girl your mother tried to protect you

from."

"A man can't win," snorted Thomas.

"Does a man really want to win?"

"Nope," admitted Thomas. "I won't ask questions, Elaine. I'll just be

glad you came."

"I'm glad you're glad."

Elaine flirted with him shamelessly, and then turned toward the

laboratory building. He followed, and they kept up a running fire of

light talk all the way.

"The first thing I have to do is to see what the engineer was doing

last," remarked Thomas as he opened the laboratory door.

"You are a strange fellow," smiled Elaine. "You respect each other's

possessions and beliefs, though you argue madly through impersonal

mediums. Still writing nasty letters?"

"Uh-huh. And playing chess."

"What's he been doing?" asked Elaine innocently.

"Don't really know. Aside from some experiments on the poltergeist

effect--reducing them to practice--I wouldn't know. I doubt that he's

been doing much else. I do happen to know that he's deeply interested

in the epicenter effect. He may find the key to it, too."

The laboratory was about as he remembered it. There were some changes.

A few of the pieces of equipment were moved; some of them were

converted; and a couple of them had been built in to other, larger

pieces. All of the workmanship was clean and shining.

The cyclospectrograph had been worked on with a vengeance. It had lost

its haywire appearance. The D plates were all neatly machined and

the high frequency plumbing was all rearranged into mathematical and

technical symmetry. The hours-use counter showed constant operation

for several days solid, which interested the physicist.

"He's found a use for it," he grinned at Elaine.

"He finds a use for most everything," she said. "He's a pretty sharp

man."

"Thanks," grinned Thomas, recalling what the psychiatrist had said

regarding the mutual efficiency of the mind in Thomas Lionel's body.

"Wonder what this crystal is," muttered Thomas.

"Looks like a natural quartz."

"Might be--though I doubt it."

"Can you find out?"

"Eventually. If it is interesting, I will. What bothers me mostly,

though," said Thomas thoughtfully, "are two things. One of them is that

open drum of gooey tar. The other one is that vat of used motor oil."

"The oil I understand. But what is the tarlike goo?"

"I forget its name. It is one of the natural asphalt family and it

ranks high--along with chewing gum--among those substances in which I

would least like to bathe."

"Um. I detect a tone of distaste," laughed Elaine. "Here's another

little tricky gadget. Looks sort of like your tungsten box."

"Oh?" asked Thomas.

"Yes ... say, Tommy, what's an epicenter?"

"Ah ... why?" asked the physicist, his attention on the

cyclospectrograph.

"This box has a little sign on it. It says: 'Be an epicenter' and some

other stuff."

"The epicenter is the main feature around which the phenomena

revolves," explained Thomas idly.

"Oh."

* * * * *

Elaine fondled the little box. Her forefinger touched the button, felt

its smoothness. In her mind was knowledge of the dire effects caused by

tyros who push strange buttons. Certainly there was no curiosity deep

enough to override her own good sense. But subconsciously the natural

impulse to touch wet paint, to kick the package on the sidewalk, came

to the fore and Elaine stood there, looking the box over with her

forefinger set against the button.

"'Be an epicenter'," she repeated.

It registered. Like a swift montage, events past, present and future

sped through Thomas Lionel's mind. He went from the basic idea to the

foregone conclusion in three lightning-quick steps.

"_NO!_" he yelled.

But it was too late.

And through his mind there passed a vision that made him swallow.

Elaine--dressed in a simple frock of printed silk, garnished from

the top of her beautifully coiffed hair to the bottoms of her

exquisitely shod feet in an awful mixture of used crankcase oil and a

tar-asphaltum--

In vain he tried to cross the twenty feet that separated him from the

girl. In vain he tried to get there, to snatch that devilish box from

her hand, to grab it and hurl it far enough away so that the effect

wouldn't even cause a bad splash.

The idea of seeing her all gooed up. That made him shout hoarsely.

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