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Hand gestures offer a rich source of information for communication of spatial concepts. However, gestures are often lost when people work together in virtual space. Gestures may be conveyed in virtual spaces through many approaches, for example by drawing circles and arrows around objects on a shared screen, or using natural, real-time videos of a distant collaborator's hands or body. The first is...
Hand gestures are a rich source of information in communication, particularly in communication of spatial concepts which are fundamental to engineering design tasks. However, there are many ways to convey gestures. For example, cursors can be used make simple gestures, so are hand images really necessary, or are simpler approaches sufficient? The work described in this paper is an evaluation comparing...
Passive detection of the radiative recombination of electrons in the p-type GaAs base of active heterojunction bipolar transistors (HBTs) has been utilised to demonstrate a non-invasive analytical probing technique, compatible with conventional wafer probers, which produces TV pictures of ICs with the active HBTs hiqhlighted. Failure modes, such as in-operative tail current sources and latched stages,...
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