The Ghost from the Grand Banks by Arthur C. Clarke

The thought triggered a long-forgotten memory. He recalled how, as a small boy, he had silenced the speakers of a local fairground’s PA system with well-aimed shots from his father’s rifle — and had then lived for weeks in fear of being found out. Maybe Oscar had also been offended by this noisy intruder into his domain, and had taken similar direct action to restore peace and quiet.

But where was Oscar?

‘I’m puzzled — I’m right inside now, and can see the whole layout. Plenty of hiding places — but none of them big enough to conceal anything larger than a man. Certainly nothing as big as an elephant! Ah — this is what you’re looking for!’

‘What have you found?’

‘Main cable trunk — looks like a plate of spaghetti that’s been dropped by a careless waiter. Must have taken some strength to rip it open; you’ll have to replace the whole section.’

‘What could have done it? Hungry shark?’

‘Or angry moray eel. But no teeth marks — I’d expect some. And teeth, for that matter. An occi’s still the best bet. But whoever did it isn’t at home.’

Taking his time, Bradley made a careful survey of the installation, and could find no other sign of damage. With any luck, the unit should be operational within a couple of days — unless the secret saboteur struck again. Meanwhile, there was nothing more that he could do; he began to jet his way delicately back the way he had come, steering Jim in and out of the maze of girders and pipes. Once he disturbed a small, pulpy mass that was indeed an octopus — perhaps as much as a meter across.

‘Cross you off my list of suspects,’ he muttered to himself.

He was almost through the outer framework of massive tubes and girders when he realized that the scenery had changed.

Many years ago, he had been a reluctant small boy on a school tour of a famous botanical garden in southern Georgia. He remembered practically nothing of the visit, but there was one item that, for some reason, had impressed him greatly. He had never heard of the banyan, and was amazed to discover that there was a tree that could have not one trunk, but dozens — each a separate pillar serving to support its widespread canopy of branches.

In the present case, of course, there were exactly eight, though he did not bother to count them. He was staring into the huge, jet-black eyes, like fathomless pools of ink, that were regarding him dispassionately.

Bradley had often been asked ‘Have you ever been frightened?’ and had always given the same answer: ‘God, yes — many times. But always when it was over — that’s why I’m still around.’ Though no one would ever believe it, he was not in the least frightened now — only awed, as any man might be by some unexpected wonder. Indeed, his first reaction was: ‘I owe an apology to that diver.’ His second was: ‘Let’s see if this works.’

The cylinder of the fire extinguisher was already grasped by Jim’s left external manipulator, and Bradley servoed it up toward the aiming position. Simultaneously, he moved the right limb so that its mechanical fingers could work the trigger. The whole operation took only seconds; but Oscar reacted first.

He seemed to be mimicking Bradley’s actions, aiming a tube of flesh toward him — almost as if imitating his hastily modified fire extinguisher. Is he going to squirt something at me? Bradley wondered. . . .

He would never have believed that anything so big could move so quickly. Even inside his armor, Bradley felt the impact of the jet-stream, as Oscar switched to emergency drive; this was no time for walking along the seabed like an eight-legged table. Then everything disappeared in a cloud of ink so dense that Jim’s high-intensity lights were completely useless.

On his leisurely way back to the surface, Bradley whispered softly to his dead friend: ‘Well, Ted, we did it again — but I don’t think we can take much credit.’

Judging by the manner of his going, he did not believe that Oscar would return. He could see the animal’s point of view — even sympathize with it.

There the peaceable mollusk was, quietly going about his business of preventing the North Atlantic from becoming a solid mass of cod. Suddenly, out of nowhere, appeared a monstrous apparition blazing with lights and waving ominous appendages. Oscar had done what any intelligent octopus would do. He had recognized that there was a creature in the sea much more ferocious than himself.

‘My congratulations, Mr. Bradley,’ said H.R.H. as Jason slowly emerged from his armor. This was always a difficult and undignified operation, but it kept him in good shape. If he put on another couple of centimeters, he would never be able to squeeze through the O-ring of the helmet seal.

‘Thank you, sir,’ he replied. ‘All part of the day’s work.’

The Prince chuckled.

‘I thought we British had a monopoly on understatement. And I don’t suppose you’re prepared to reveal your secret ingredient?’

Jason smiled and shook his head.

‘One day I may need to use it again.’

‘Whatever it was,’ said Rawlings with a grin, ‘it cost us a pretty penny. When we tracked him on sonar — amazing what a feeble echo he gives — Oscar was certainly moving fast toward deep water. But suppose he comes back when he gets hungry again? There’s nowhere else in the North Atlantic where the fishing’s so good.’

‘I’ll make a deal with you,’ Jason answered, pointing to his battered cylinder. ‘If he does, I’ll rush you my magic bullet — and you can send down your own man to deal with him. It won’t cost you a cent.’

‘There’s a catch somewhere,’ said Rawlings. ‘It can’t be that easy.’

Jason smiled, but did not answer. Though he was playing strictly by the rules, he felt a slight — very slight — twinge of conscience. The ‘No cure, no pay’ slogan also implied that you got paid when you effected a cure, no questions asked. He had earned his hundred K bucks, and if anyone ever asked him how it was done, he would answer: ‘Didn’t you know? An octopus is easy to hypnotize.’

There was only one mild cause for dissatisfaction. He wished he’d had a chance of checking the household hint in the old Jacques Cousteau book that his encyclopedia had providentially quoted. It would be interesting to know if Octopus giganteus had the same aversion to concentrated copper sulphate as his midget ten-meter cousin, Octopus vulgaris.

15 CONROY CASTLE

The Mandelbrot Set — hereinafter referred to as the M-Set — is one of the most extraordinary discoveries in the entire history of mathematics. That is a rash claim, but we hope to justify it.

The stunning beauty of the images it generates means that its appeal is both emotional and universal. Invariably these images bring gasps of astonishment from those who have never encountered them before; we have seen people almost hypnotized by the computer-produced films that explore its — quite literally — infinite ramifications.

Thus it is hardly surprising that within a decade of Benoit Mandelbrot’s 1980 discovery it began to have an impact on the visual arts and crafts, such as the designs of fabrics, carpets, wallpaper, and even jewelry. And, of course, the Hollywood dream factories were soon using it (and its relatives) twenty-four hours a day. . . .

The psychological reasons for this appeal are still a mystery, and may always remain so; perhaps there is some structure, if one can use that term, in the human mind that resonates to the patterns in the M-Set. Carl Jung would have been surprised — and delighted — to know that thirty years after his death, the computer revolution whose beginnings he just lived to see would give new impetus to his theory of archetypes and his belief in the existence of a ‘collective unconscious.’ Many patterns in the M-Set are strongly reminiscent of Islamic art; perhaps the best example is the familiar comma-shaped ‘Paisley’ design. But there are other shapes that remind one of organic structures — tentacles, compound insect eyes, armies of seahorses, elephant trunks . . . then, abruptly, they become transformed into the crystals and snowflakes of a world before any life began.

Yet perhaps the most astonishing feature of the M-Set is its basic simplicity. Unlike almost everything else in modern mathematics, any schoolchild can understand how it is produced. Its generation involves nothing more advanced than addition and multiplication; it does not even require subtraction or division, much less any higher functions. . . .

In principle — though not in practice! — it could have been discovered as soon as men learned to count. But even if they never grew tired, and never made a mistake, all the human beings who have ever existed would not have sufficed to do the elementary arithmetic required to produce an M-Set of quite modest magnification. . . .

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