She loved Cormac, or felt she did—Mika always encountered problems with hazy terms like ‘love’. But what about her research? What were her aims? In the end she was practically immortal, and nor did she require her vocation to put bread in her mouth or a roof over her head. Her reasons for pursuing it were based on a feeling of both duty and self-gratification. But the sense of duty became irrelevant when there were those better able to perform the research than her. So what did she enjoy about it? What gratified her? She considered the last few years. On Samarkand she most enjoyed taking apart and studying the Maker-constructed creature there, and subsequently studying the dracomen. On Masada the dracomen again provided that same pleasure, as did her lengthy digging in the mud to find the remains of the dragon sphere that had sacrificed itself there. In the end she reluctantly realized she preferred field work, getting her hands dirty, not the esoteric research now being conducted by the others.

‘Jerusalem,’ she said, ‘they’re leaving me behind.’

The AI replied instantly. ‘Augmented mental function and memory are now almost a prerequisite. The big picture spills out beyond the scope of the human mind.’

‘Precisely,’ Mika said and sipped her brandy. ‘How vital is my contribution?’

‘No one is indispensable.’

‘Well thanks for that.’

‘I am not indispensable,’ the AI added.

‘Right.’

‘You are reluctant to augment yourself?’

‘I am. The others are mostly number-crunching now, and are moving increasingly into the AI mental realm. I’m not sure that’s what I want to do.’

‘Why?’

Mika thought about it for a long moment then said, ‘I saw Susan James recently. She was eating Provit cake and drinking water and did not see me even though I stood right in front of her. When I first met her she listed her prime interests as mathematics, sex and gourmet food, and was not entirely sure of the order of preference.’

‘Augmentation changes one—that is its essential purpose—but the degree of that change must be governed by the individual.’

‘Cormac ... he lost his humanity?’

‘He did. It is a notable paradox that some augmented humans do lose their humanity—becoming what they, at an unconscious level, perceive AIs to be—while AIs, through age, experience and their own expansion of processing power, come to understand humanity better and therefore become more humane. Cormac’s present condition is a puzzle—almost as if some fundamental change in him has enabled him to become gridlinked again whilst still retaining his humanity.’

‘What would you advise for me?’ Mika asked.

‘I would advise rest. I would advise a lengthy break from your work, in which you can consider what you want to do next. Incidentally, I have recently disconnected Susan James, and she is currently undergoing an enforced and medicated rest. She is one of nearly four hundred individuals suffering the same problem.’

‘That being?’