Laboratory directed research and development FY91. Revision 1

This review of research programs at Lawrence Livermore National Laboratory is composed of individual papers on various subjects. Broad topics of interest are: chemistry and materials science, computation, earth sciences, engineering, nuclear physics, and physics, and biology. Director`s initiatives include the development of a transgenic mouse, accelerator mass spectrometry, high-energy physics detectors, massive parallel computing, astronomical telescopes, the Kuwaiti oil fires and a compact torus accelerator. (GHH)