> Popper said that for a theory to qualify as science, it must be capable of being proven wrong. For example, for the theory of gravity to be scientific and cor

> Popper said that for a theory to qualify as science, it must be capable of being proven wrong. For example, for the theory of gravity to be scientific and correct, there must be an experiment which can prove it wrong. Is there such an experiment? Has anyone proven the theory of gravity wrong? Is it therefore not scientific? I think you're misunderstanding it? The requirement isn't that there exists an experiment that proves gravity wrong, and has been performed in reality. The requirement is that for the theory you propose, there must be some conceivable scenario in which you decide your theory is incorrect. Eg, if you posit "All swans are white", when it's falsifiable. All you need is a black swan to show up. But there is no requirement for this to actually happen, there's no problem with every swan in the universe being white.