"Ultrafast, Nanoscale Measurements of Mechanical and Electrical Properties: DNA, Molecular Wires and Liquids" Mark A. Berg Department of Chemistry and Biochemistry, U. of South Carolina A tremendous effort is underway to create and organize structures in the nanometer length scale. The question arises of how to measure the dynamic properties of these structures: viscosity, elasticity, and dielectric relaxation. The small size of these objects results in rapid propagation of effects through the structure, so ultrafast time resolution is needed in addition to high spatial resolution. This talk will discuss one approach that places molecular isensorsi within the structure and uses ultrafast spectroscopic techniques to measure dynamic properties without physical contacts. Specific examples in liquid solution and in DNA (a purported molecular wire) will be discussed. Time: 1:00 p.m.-2:30 p.m. Place: MiRC -Conference Room 102A Contact Person: David Citrin (404)385-1579 or Yvonne Bridges (404)894-9003