David Ucko

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As graphics technology and software become more mature, it is critical to examine the aesthetics of computer generated images. Effective visual communication and artistic expression are dependent on aesthetic quality. Issues that emerge for artists, designers and computer scientists include: the formal attributes of images, aesthetic evaluation criteria and(More)
Natural abundance, proton-decoupled 13C magnetic resonance spectroscopy is shown to be a useful technique for identifying the mercury (II) binding sites on nucleosides and especially thiolated nucleosides. Measurements made on dimethyl sulfoxide-d6 solutions, 0.5 M in nucleoside and 0.15 M in mercury, reveal that both CH3 HgCl and HgCl2 bind principally to(More)
Superconducting and magnetic order are usually mutually exclusive, and are found to coexist in relatively few materials. We have obtained direct evidence for a spin-density wave (SDW) coexisting with bulk superconductivity in a ferromagnetic-superconducting trilayer. In the superconducting state the amplitude of the SDW is enhanced and modeling the data(More)
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