A 40-year-old puzzle of superstring theory solved by supercomputer 0 Randall Gross ScienceDecember 2011Monday, December 26, 2011 at 8:22 pm PST • Views: 761 physorg.com 3-dimensional Space 40-year-old Puzzle Big Puzzle Spatial Dimensions Tiny Strings Superstring Theory Shizuoka University Supercomputer