This is easy to see from the equivalence to matrix mechanics.

He recalled the matrix mechanic who had died in trying to read his memory.

This idea led to the development of matrix mechanics.

By so doing he constructed an entryway to matrix mechanics.

Any good matrix mechanic could handle a Keeper's work, he reminded himself.

Perhaps there was more need for matrix mechanics outside a Tower than within.

And vanity was a dangerous flaw for a matrix mechanic.

She's a grown woman who has been doing difficult, highly technical work as a matrix mechanic for years.

Yet the long discipline of the matrix mechanic held firm in his mind.

"I didn't know matrix mechanics had anything to do with broccoli!"