原文
Imagine RoboGym. There’s a button labelled “Lift”. Press it & you see a weight go up in the air & back down. Move the slider below & more or less weight moves. A helpful counter tells you how many joules of energy your workout has consumed.
Not the point of a workout? Correct. Genies are being designed as a RoboGym for the mind. What if they weren’t? Wha…