There was a firm nod from Anthor; a doubtful nod from the others.
"Such a hypothetical Mind Resonating Organ, by adjusting itself to the Fields emitted by other minds could perform what is popularly known as "reading emotion?or even "reading minds,?which is actually something even more subtle. It is but an easy step from that to imagining a similar organ which could actually force an adjustment on another mind. It could orient with its stronger Field the weaker one of another mind ?much as a strong magnet will orient the atomic dipoles in a bar of steel and leave it magnetized thereafter.
"I solved the mathematics of Second Foundationism in the sense that I evolved a function that would predict the necessary combination of neuronic paths that would allow for the formation of an organ such as I have just described ?but, unfortunately, the function is too complicated to solve by any of the mathematical tools at present known. That is too bad, because it means that I can never detect a Mind-worker by his encephalographic pattern alone.
"But I could do something else. I could, with Semic"s help, construct what I shall describe as a Mental Static device. It is not beyond the ability of modem science to create an energy source that will duplicate an encephalograph-type pattern of electromagnetic field. Moreover, it can be made to shift at complete random, creating, as far as this particular mind-sense is concerned, a sort of "noise" or "static" which masks other minds with which it may be in contact.
"Do you still follow?"
Semic chuckled. He had helped create blindly, but he had guessed, and guessed correctly. The old man had a trick or two left?
Anthor said, "I think I do."
"The device," continued Darell, "is a fairly easy one to produce, and I had all the resources of the Foundation under my control as it came under the heading of war research. And now the mayor"s offices and the Legislative assemblies are surrounded with Mental Static. So are most of our key factories. So is this building. Eventually, any place we wish can be made absolutely safe from the Second Foundation or from any future Mule. And that"s it."
He ended quite simply with a flat-palmed gesture of the hand.
Turbor seemed stunned. "Then it"s all over. Great Seldon, it"s all over."
"Well," said Darell, "not exactly."
"How, not exactly? Is there something more?"
"Yes, we haven"t located the Second Foundation yet!"
"What," roared Anthor, "are you trying to say?
"Yes, I am. Kalgan is not the Second Foundation."
"How do you know?"
"It"s easy," grunted Darell. "You see I happen to know where the Second Foundation really is."
21
The Answer That Satisfied
Turbor laughed suddenly ?laughed in huge, windy gusts that bounced ringingly off the walls and died in gasps. He shook his head, weakly, and said, "Great Galaxy, this goes on all night. One after another, we put up our straw men to be knocked down. We have fun, but we don"t get anywhere. Space! Maybe all planets are the Second Foundation. Maybe they have no planet, just key men spread on all the planets. And what does it matter, since Darell says we have the perfect defense?"
Darell smiled without humor. "The perfect defense is not enough, Turbor. Even my Mental Static device is only something that keeps us in the same place. We cannot remain forever with our fists doubled, frantically staring in all directions for the unknown enemy. We must know not only how to win, but whom to defeat. And there is a specific world on which the enemy exists."
"Get to the point," said Anthor, wearily. "What"s your information?"
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