Could we use, let's say, pharmacological drugs to activate or inactivate brain cells? XL: Nah. Drugs are pretty messy. They spread everywhere. And also it takes them forever to act on cells.
SR: ¿Qué crees, Xu? ¿Podríamos usar, digamos, medicamentos farmacológicos para activar o desactivar las células cerebrales? XL: No. Las drogas son desordenadas.