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"Silly as it sounds, not being able to figure this out made dad feel more distant. I had thought of us as like minds, and it made the loss easier to accept. His brain wasn’t entirely gone, I still have a partial version of it in my own head. But either this gadget did nothing intelligent at all, which couldn’t be true, or he and I thought so differently that even with unlimited tries, I couldn’t deduce how his interface was ever supposed to work. It was an upsetting thought."
Tom Francis on time, memory, PIDs and parental inventions.