doubledisksstaircasesspiralstaircasecolding MARCH2003NOTICESOFTHEAMS327DisksThatAreDoubleSpiralStaircasesTobiasH.ColdingandWilliamP.MinicozziII*Whatarethepossibleshapesofvariousthingsandwhy?Forinstance,whenaclosedwireoraframeisdippedintoasoapsolutionandisraisedupfromthesolu-tion,thesurfacespanningthewireisasoapfilm;...