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"The Visual Understanding Environment (VUE) is an Open Source project based at Tufts University. The VUE project is focused on creating flexible tools for managing and integrating digital resources in support of teaching, learning and research. VUE provides a flexible visual environment for structuring, presenting, and sharing digital information. "

Fun, interactive, research-based simulations of physical phenomena from the PhET project at the University of Colorado.

from J valenza's column - A search on Impressionism reveals 12 large thumbnail stacks of paintings by a variety of Impressionist painters organized by their visual and semantic similarities. Select a stack and the images arrange themselves as a cluster, swirling into view. You can continue to drill down through related subgroups within each cluster in a mapping strategy, reminiscent of Google's Wonder Wheel available in the Search Options panel. Image Swirl searches are currently available for approximately 200,000 queries. - http://u.nu/56bw3