"Just a new perspective," Homer replied. "We’ve been thinking of space stations in terms of housing people. Of course that won’t work. Got to get the air right, the gravity right, extra shielding for radiation, extra armor for micrometeors, construction for living quarters, feed them, entertain them, yadda, yadda, yadda. But the engineering is a lot easier if we don’t try to house people." Homer looked at me expectantly.