Brains-in-vats have only ever been science fiction. Regardless, there's nothing about anything I've said that is known to violate any laws of physics, so your o

Brains-in-vats have only ever been science fiction. Regardless, there's nothing about anything I've said that is known to violate any laws of physics, so your objection to 'magical' extrapolations is irrelevant. I say "The Matrix", but obviously you can substitute any number less fanciful mechanisms into the process -- psychotropic drugs & electromagnetic stimulation are not fiction.