Boltzmann didn’t get quite that far in his thinking; the brains themselves were introduced by later cosmologists building on his work. But they, like just about everyone else, were pretty sure that they themselves weren't just ephemeral brains.
Boltzmann no llegó tan lejos con su pensamiento; estos cerebros fueron presentados por cosmólogos que estudiaban su trabajo Pero ellos, al igual que todo el mundo, estaban seguros de que ellos mismos no eran nada más cerebros efímeros.