Study linkages and the mathematics that govern their motion.  Find out how they were used historically, and where they are still used (in car suspensions, for example).  Create one linkage and determine its motion properties and constraints.

http://web.mat.bham.ac.uk/C.J.Sangwin/howroundcom/linkages/index.html
http://saltire.com/applets/FourBar/FourBarLinkage.html
http://enriques.mathematik.uni-mainz.de/intgeo/threeBarLinkage.html
Last modified: Tuesday, 26 June 2012, 5:39 PM