Neutron scattering and EXAFS studies of the structure of P-Se glasses. Neutron scattering and x-ray absorption in the characterisation of proton conducting inorganic sulphates, selenates and phosphates. Structural studies of aqueous electrolyte solutions by x-ray and neutron diffraction. Reverse Monte-Carlo simulation techniques for combining neutron and x-ray diffraction data. Maximising structural information by combining techniques: neutron diffraction, anomalous x-ray diffraction and EXAFS. Short range order study of Ni-Nb glasses by neutron diffraction-isotopic substitution. A neutron and x-ray study of vitreous silica. Diffraction studies of disordered molecular systems: A critical appraisal of neutron and x-ray techniques. Deep inelastic neutron scattering. Inelastic interaction measurements by perfect crystal small angle scattering instruments. A comparison of the merits of SAXS and SANS in the study of oxide SOLS, non-ionic surfactant solutions and ceramic fibres. Small angle scattering studies of micro-emulsions. Small angle neutron scattering studies of water in porous solids - advantages of the H/D matching technique. Neutron and x-ray reflection from the liquid-vapour interface. Magnetic photon diffraction. Magnetic x-ray scattering from UN and USb. X-ray and neutron diffraction studies of the structure of PEEK. The use of x-ray and neutron high angle fibre diffraction studies in the determination of hydration and ionic structure around DNA. Time-resolved x-ray fibre diffraction of the S B conformational transition in the poly[d(G-C)].POLY [d(G-C)] double helix. Lattice vibrations in disordered ice Ih and ice in porous vycor. Gamma ray, synchrotron and neutron studies of density distributions. The complementary nature of x-ray and neutron diffraction measurements on liquid metals.