1. Life in higher dimensions Mapping the World Roadtrip: most powerful computer in Japan Alan Edelman June 13, 2006

2. My favorite facts from high school

3. 1. Higher dimensional geometry The real number line The Cartesian plane The 3d world Just add dimensions: P=(w,x,y,z) –Mathematician aren’t afraid –Not physics, not time, just four (or more) geometrical dimensions

4. Regular Polytopes

5. How many? 2d: regular polygons  infinitely 3d: regular polyhedra  5 4d: regular polytopes  6 5d: regular 5d polytopes  3 …

6. 2. The Mercator World Map

7. Social Studies Teacher Myth

8. The truth Designed for constant compass directions See Wikipedia

9. Stereographic Projection Project P to sphere along the line to the north pole. Mercator Map Ster Proj Log z Not cylindicrical projection! N S P RdRd

10. 3. World’s fastest computers top500

11. Performance Trends

12. Extrapolations

13. Earth Simulator

15. Beowulf Clusters Our Experience

16. Beowulfs

17. The First Beowulf

18. Enjoy Mathematics