This iconic meme originates from the 1975 cult classic comedy film 'Monty Python and the Holy Grail.' The scene features King Arthur witnessing Sir Bedevere's convoluted 'scientific' method for determining if a woman is a witch—specifically by comparing her weight to that of a duck. Arthur's earnest delivery of the line 'Who are you, who are so wise in the ways of science?' has since become a staple of internet culture. It is primarily used to ironically praise someone who offers a simple, bizarre, or unnecessarily complex explanation for a basic concept. It perfectly captures the intersection of pseudo-intellectualism and comedic absurdity, making it a favorite for mocking 'big brain' moments.