Structuur en verandering; In memoriam Gottfried Wilhelm Locher, Waspik, 23 maart 1908-Leiden, 3 december 1997

In Memoriam: Pierce Brodkorb, 1908-1992

Thus proclaimed the bold black letters painted on the door of Pierce Brodkorb's old office in Flint Hall at the University of Florida, simultaneously reflecting a great dislike and a great passion. Brodkorb hated Josselyn Van Tyne, his former supervisor at the University of Michigan, whose door had borne a card saying "Please knock and come in," whereas his great passion was his osteological co...

AANA Journal, December 1997

Complex regional pain syndrome (CRPS) is a progressive, chronic illness that is enigmatic because the mechanisms for its pathogenesis have yet to be determined. Syndromes synonymous with CRPS are reflex sympathetic dystrophy, reflex neurovascular dystrophy, causalgia, algoneurodystrophy, sympathetically maintained pain, clenched fist syndrome, and Sudek's syndrome. The diagnosis of CRPS is cate...

Knowledge Systems Laboratory December 1997

Virtual worlds offer great potential as environments for education, entertainment, and collaborative work. Agents that function effectively in heterogeneous virtual spaces must have the ability to acquire new behaviors and useful semantic information from those contexts. The human-computer interaction literature discusses how to construct spaces and objects that provide "knowledge in the world"...

VISTA Status Report December 1997

Gottfried Wilhelm Osann (1833, 1836) on Simultaneous Color Contrast: Translation and Commentary

Gottfried Wilhelm Osann (1796-1866) was a German scientist most renowned for his work in chemistry and physics. However, inspired by Goethe's work on color, he published a paper on simultaneous color contrast in 1833 using a method that is similar to that of later authors: reflection of an achromatic spot from an angled piece of glass. He wrote at least four more papers on color contrasts, in 1...