Fun fact: They have a device that "...cancels an android into catalepsy," Rachael said, her eyes shut. "For a few seconds." It is mentioned once, then nev

Fun fact: They have a device that "...cancels an android into catalepsy," Rachael said, her eyes shut. "For a few seconds." It is mentioned once, then never again AFAIR. They could use that device to detect andys with the press of a button, but why do that when you have something straightforward like the Voigt-Kampff test?