@sciencefunn: Pi is a number that represents the relationship between a circle’s circumference and its diameter. What’s strange is that this simple geometric idea leads to a number with infinitely many non-repeating digits: 3.1415926535… Philosophically, pi is a nice symbol for the relationship between order and mystery: It comes from something perfectly simple — a circle, one of the most symmetrical shapes we know. Yet its decimal expansion seems endlessly complex — no matter how far we calculate, there is always more. It suggests that the universe can contain deep complexity hidden inside simple rules. Pi also raises questions about discovery vs. invention. Did humans invent pi when we created mathematics, or did we discover a truth that was already there in the structure of reality? Different philosophers and mathematicians have argued both sides. A poetic way to look at it: A circle has no beginning and no end, and pi is the endless story hidden inside that circle. It is a finite idea pointing toward infinity. We share interesting science content. Feel free to join us for more. #mathisfun #mathmemes #mathematics #math #mathstudent