@SFOMuseum Twitter Posts This is SFO Museum's archive of the @SFOMuseum Twitter account.
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Give a strip of paper a half-twist and tape the ends together— you get a Möbius loop, a one-sided shape with one edge. Make two Möbius loops and glue their edges together—you should get a Klein bottle. #MathAtSFO #Mathematics #Kleinbottle . This tweet was posted on October 25, 2021.