April - June 1997, Volume 18, Number 2


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Milton S. Eisenhower Research and Technology Development Center 50th Anniversary Issue

    Milton S. Eisenhower Research and Technology Development Center 50th Anniversary Issue: Guest Editor's Introduction
   J. C. Sommerer


Historical Highlights

    My Life at APL
   J. A. Van Allen

    Genesis of Satellite Navigation
    W. H. Guier and G. C. Weiffenbach



    Early Energetic Particle Results from Jupiter
    D. J. Williams

   Quantum Computing
    J. D. Franson and B. C. Jacobs

    Modeling Two-Dimensional Fluid Flows with Chaos Theory
    J. C. Sommerer, E. Ott, and T. Tél

   Direct Numerical Simulation of Electromagnetic Rough Surface and Sea Scattering by an Improved Banded Matrix Iterative Method
    D. J. Donohue, H.-C. Ku, D. R. Thompson, and J. Sadowsky

   Development of Gallium Nitride Photoconductive Detectors
    D. K. Wickenden, Z. Huang, D. B. Mott, and P. K. Shu

    Quantitative Grading of Tissue and Nuclei in Prostate Cancer for Prognosis Prediction
W. A. Christens-Barry and A. W. Partin


Technology Development

    History of Ramjet and Scramjet Propulsion Development for U.S. Navy Missiles
    P. J. Waltrup, M. E. White, F. Zarlingo, and E. S. Gravlin

    Bang, Click, Thud, or Whack?
    F. J. Pineda, G. Cauwenberghs, R. T. Edwards, K. T. Ryals, and D. G. Steigerwald

    Improving Software Performance with Automatic Memoization
    M. Hall and J. P. McNamee

   Knowledge-Based Query Formulation for Integrated Information Systems
   R. D. Semmel, E. A. Immer, D. P. Silberberg, and R. P. Winkler

   Development of Miniature Magnetometers
   D. K. Wickenden, T. J. Kistenmacher, R. Osiander, S. A. Ecelberger. R. B. Givens, and J. C. Murphy

    Modeling Radar Propagation over Terrain
   D. J. Donohue and J. R. Kuttler

    Microwave Exposure: Safeguarding Public Health in the Absence of National Standards
   H. A. Kues, P. E. Mazik, and J. C. Monahan



    The Securities Technology Institute for Counterfeit Deterrence
    J. C. Murphy, D. C. Dubbel, and R. C. Benson

    Universal Agent Sensor for Counterproliferation Applications
    W. A. Bryden, R. C. Benson, H. W. Ko, and M. Donlon

    The Johns Hopkins University/Army Research Laboratory Microelectronics Research Collaborative Program
   R. C. Benson and J. W. Wagner

    Safer Transit Travel for the Blind Using an Infrared Warning System
    J. Sadowsky, J. L. Abita, R. P. Aylor, G. A. Barney, J. Bohandy, B. G. Carkhuff, K. L. Josephson, B. A. Klem, S. J. Mobley, E. B. Morris, J. F. Rider, W. Schneider, R. L. Stanford, and S. F. Wilderson

   The APL Alliances for High-Speed Aerothermal and Propulsion Testing
    G. A. Sullins, P. J. Waltrup, and G. R. Garritson



    Responding to Critical Educational Needs: Information Systems and Technology
    R. D. Semmel and C. R. Westgate



   Publications, Presentations, and Colloquia

Icon THE COVER: In celebrating the 50th Anniversary of the Milton S. Eisenhower Research and Technology Development Center, we pay tribute to hundreds of researchers who by their contributions and dedicated efforts at the Center (highlighted on the cover by a collage) have eminently served the national interest through science and technology. (Cover illustration by Kenneth R. Moscati.)

Inside front cover information:

Publisher and Editorial Board
Publishing Information
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© 1997 by The Johns Hopkins University Applied Physics Laboratory

The Electronic Version of The Johns Hopkins APL Technical Digest was created by the Technical Publications Group (TSP).