1. The History of Curvature  
   Mathematics Department, Brown University,Providence, RI  
2. Curvature Module  
   Project Links, Rensselaer Polytechnic Institute, Troy, NY
3. Curvature  
   Jose Wudka, Physics Department, University of California, Riverside, CA  
4. Motion under Curvature
   J.A. Sethian, Math. Dept., University of California, Berkeley, CA  
5. Watching Flies Fly: Kappatau Space Curves  
   Rudy Rucker, Math. and Computer Science Dept., San Jose State University, CA  
6. Curvature and Radius of Curvature  
   Department of Mathematics, Massachusetts Institute of Technology , Cambridge, MA
7. Computation of Curvature  
   Department of Mathematics, Massachusetts Institute of Technology , Cambridge, MA
8. Radius of Curvature  
   Eric Weisstein, MathWorld, Wolfram Research Inc., Champaign, IL  
9. Radius of Curvature  
   Rudolf K. Bock, CERN-European Organization for Nuclear Research, Genève, Switzerland
10. Degree of Curvature  
    James B. Calvert, School of Engineering, University of Denver, CO
11. Curvature of a Curve Defined  
    James E. White, The Mathwright Library, Bluejay Lispware
12. Osculating Circle/Circle of Curvature
    Shin Yoshizawa, Computer Graphics Group, Max-Planck-Institut fuer Informatik, Germany
13. Normal Vector and Curvature  
    Bill Toll, Computing and System Sciences Department, Taylor University, Upland, IN  
14. The Osculating Circle  
    David Arnold, Math. Dept., College of the Redwoods, Eureka, CA  
15. Gaussian Curvature  
    Stephen Mann,  School of Computer Science, University of Waterloo, Ontario, Canada  
16. Curvature  
    Eric Weisstein, MathWorld, Wolfram Research Inc., Champaign, IL  
17. Curvature
    Herbert Edelsbrunner, Computer Science Dept, Duke University, Durham, NC
18. Arc Length and Curvature  
    Jose D. Flores, Math. Dept., University of South Dakota, Vermillion, SD  
19. Curvature of surfaces
    Peter Doyle, Geometry Center, University of Minnesota, Twin Cities, MN
20. The osculating circle, Applet  
    Martin Raussen, Department of Mathematical Sciences, Aalborg University, Denmark  
21. Circle of Curvature,  Applet   
    Wei-Chi Yang, Math. Dept., Radford University, Radford, VA  
22. Circle of Curvature and Radius of Curvature Applet  
    KobayashiIchiro; et. al., Math. Ed. and Technology, International Education Software, Japan  
23. A Curvature Formula PDF  
    Kamlesh Parwani, Math. Dept., Northwestern University, Evanston, IL
24. The osculating circle The curvature of a circle  PDF  
    Mihail Cocos, Math. Dept, University of British Columbia, Vancouver, BC, Canada

(c) John H. Mathews 2004