From time to time, when not more constructively engaged, physicists indulge in bad-tempered exchanges regarding the possible existence of other universes – a so-called “multiverse”, which lies outside the bounds of empirical investigation and is therefore considered an unscientific concept by many purists. It is a hypothesis unlikely to be resolved, but it provides an approximate parallel to another, more practical theory that could begin to influence our lives within a decade.
If we’re going to label AI an extinction risk, we need to clarify how it could happen
Scientists voicing fears about the potential extermination of a species have given us no tangible scenario for how such an extreme event might occur.