The science doesn't have to be technically correct but if you start waving around magic wands it's simply not sci-fi anymore, which is a shame if your interest

The science doesn't have to be technically correct but if you start waving around magic wands it's simply not sci-fi anymore, which is a shame if your interest was piqued by the 'sci.' Some amount of rules always has to be followed in narratives; e.g., 'the parrot did it' in a whodunnit is (most likely) not acceptable.