Extreme, reversed, and nonclassical properties in heterogeneous materials Poisson's ratio outside the allowable range Rod Lakes Collaborators: J. Capodagli, L. Dong, W. J. Drugan, C. S. Ha, D. Kochmann, T. Jaglinski, T. Lee, Z. Rueger, D. Stone, Y. C. Wang Department of Engineering Physics, Department of Materials Science University of Wisconsin http://silver.neep.wisc.edu/~lakes or search "Rod Lakes" or viscoelasticity or Poisson's ratio