Tomograph with Volume Imaging Capability Page 1 formance of this instrument, which is
based on a pre viously constructed single-slice version (1), is described in this paper,…

A new evaluation of pure NaI has been performed to determine if moderate cooling would
lead to better performance than that of existing, activated NaI(Tl) position-sensitive detectors, …

IN tracing the origin and growth of the primitive drama, the point which impresses itself most
forcibly upon the attention is the gradual and tentative character of its early progress. The …

Large two-dimensional position sensitive NaI(Tl) crystals used in positron emission
tomographs and elsewhere normally have gaps or inactive, unusable areas at the edges. …

During the 1960s, many academics, consultants, computer vendors, and journalists promoted
the “totally integrated management information system” (MIS) as the destiny of corporate …

… We also include a number of quotations from Arthur’s unfinished book on early computing.
Yet their work— particularly Alice’s book Who Invented the Computer?—is profoundly shaped …

… Haigh and Ceruzzi ground their accounts of these computing revolutions in the longer
and deeper history of computing technology. They begin with the story of the 1945 ENIAC …

… As Arthur Norberg has shown, this technology was pioneered by Engineering Research
Associates in 1948 under a Navy … Thomas Haigh is a historian of computing and an assis- …

… arthur C. Clarke claimed to have been the first to conceive of a geosynchronous … haigh,
t. inventing information systems: the systems men and the Computer, 1950–1968. …

The data base concept derives from early military on-line systems, and was not originally
associated with the specific technologies of modern data base management systems. While the …