Grant repressed a smile. "Thanks for letting me know what brought me around, but you are still stalling about why I went under."
"You figure it out. What were the stimuli associated with the manual navigation problem?"
"Let's see," he mused. "Tactile: nothing important, just the control levers. Visually, the star field and Jupiter and the crosshairs. Auditorily, the power hum—"
"What stands out?"
"The planet and the hum, I guess."
"And how did the planet appear?" Bridget asked.
"A point of light, you mean?"
"And what does that add up to: a bright concentrated light source on which you fix your attention and a monotonous hum?"
"Not hypnotism!"