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File: BiggerThanInfinity [[[> A MathematicsTalk given _ by ColinWright _ _ TaggedAsTalkDescription ]]] We're used to thinking of "Infinity" as meaning "As big as you can get". In this talk we find that when we think carefully about "going on forever" we discover that there are different types of infinity, and, even more puzzling, and defying all expectation, different sizes of infinity. Prepare to have your mind blown.