A. Van Vogt - Slan

Cross said simply, "I can go into it in greater detail later. Briefly, my father rejected the notion of critical mass, on which the first bombs were based. Atomic energy is available that way – in torrents, in explosive form, in the form of heat, and for certain medical and industrial purposes. But it is almost impossible to control for direct use. My father rejected it partly because it was useless to slans in that form, partly because: he had a theory.

"He also rejected the massive cyclotron principle, but it was the cyclotron that gave him at least a part of his great idea. He evolved a central core of positive electrons spun out like a fine wire. At this core, but not directly at it – a comparison would be the way a comet comes at the Sun in an elongated orbit – at this 'Sun' he discharged his negative-electron 'comets' at the speed of light.

"The 'Sun' whipped the comets around and flung them out into 'space,' where – and here the comparison is very real; – a second positive core which might be called 'Jupiter' pulls at the 'comets' already traveling at the speed of light, and catapults them faster than light completely out of their orbits. At that speed, each electron becomes matter in a minus state, with a destructive power utterly out of proportion to its 'size.' Normal matter loses its coherence in the presence of this minus stuff and reverts instantly to a primeval state. It – "

He paused, and looked up as the door opened. Three men with golden slan tendrils in their hair came in. Their mind shields went down as they saw him; Cross lowered his a moment later. There was a lightning interchange among the four of them: names, back history, purposes – data of every kind necessary to a fuller comprehension of the meeting. The process was dazzling to Cross, who, except for his brief contact with the inexperienced Kathleen, and his undeveloped childhood relationship with his parents, had previously only imagined how effective such an interchange might be.

He was so intent that he was caught by surprise when the door opened again.

A tall young woman came in. She had flashing eyes, and a strong, mature, finely molded, delicately textured face. Looking at her, his muscles stiffened, his nerves grew taut and a chill enveloped his body. Yet, even as his amazement grew, he thought with a sharp logic that he should have realized after the way the smashed head of Mrs. Corliss had been repaired on far-off Mars. He should have known the moment he discovered that Kier Gray was a true slan. Should have guessed, knowing the hates and envies of the palace, that only death, and a return from death in secret, could ultimately and effectively keep Kathleen safe from John Petty.

It was at that point in his thought that Kier Gray's voice cut across the silence with the rich tones of one who had secretly relished this instant for years:

"Jommy Cross, I want you to meet Kathleen Layton Gray... my daughter."