OK, if I didn't know you, I'd accuse you of trolling. You may have read it all, but you clearly have not grasped anything I've said in the last dozen posts. You pretend like you still think this has to be a real experiment. D:"Let's posit a craft that can get to A.Centauri in 100 years so they can send back a signal." SSB: "What kind of food will they eat? You can't just ignore that."