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The tip-of-the-tongue (TOT) state was induced in participants to test Butterworth & Hadar's (1989) theory that iconic gestures have a functional role in lexical access. Participants were given rare word definitions from which they had to retrieve the appropriate lexical item, all of which had been rated high in imageability. Half were free to gesture and(More)
—This paper describes NASA World Wind, its technical architecture and performance, and its emerging use for mission operations. World Wind is a geographic information system that provides graphical access to terabytes of imagery and elevation models for planets and other celestial objects including satellite and other data of the Earth, Moon, Mars, Venus,(More)
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