Shawn Brixey's "Altimira" is a decidedly strange work of art--so strange that he has not, to date, put it on public display. He turns on a device, housed in a basketball-size glass chamber, and it converts rapidly pulsating radio signals emanating from pulsars--collapsed stars that spin violently, sweeping their poles like lighthouses…

Most of the emphasis on mining online assessment logs has been to identify content-specific errors. However, the pattern of general "consistency" is domain independent, strongly related to performance, and can itself be a target of educational data mining. We demonstrate that simple consistency indicators are related to student outcomes,…

Discussion of public libraries, the Internet, and the World Wide Web focuses on development of a Web site in Washington. Highlights include access to the Internet through online public access catalogs; partnerships between various types of libraries; hardware and software; HTML training; content design; graphics design; marketing; evaluation; and…