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Public information about the U.S. Global Positioning System (GPS)

The University of Colorado at Boulder is a national comprehensive research university offering bachelor

Montana State University in Bozeman is ranked in the top tier of U.S. research institutions by the Carnegie Foundation for the Advancement of Teaching. Located in Bozeman Montana, Montana State is an accredited land grant university offering bachelo...

HowStuffWorks Electronics gives you explanations, reviews, opinions, and prices for popular electronics, iPods, home theaters, and other gadgets.

Your guide to physics on the web. physics.org is the place to be if you have a burning physics question, or if you just want to browse articles and interactive features about physics

Trimble is transforming the way work is done through the application of innovative positioning. Trimble uses GPS, lasers, optical, and inertial technologies, as well as wireless communications and application specific software to provide complete sol...

The Library of Congress. The Library of Congress is the nation

The Master Clock for the United States.

Home page of The Boeing Company, featuring information about Commercial Airplanes, Integrated Defense Systems, Boeing Capital Corporation, Phantom Works and more.

Free Lecture Notes, Syllabus, Tutorials, Audio and Video from MIT professors. All Free. No registration. | MIT OpenCourseWare | ocw.mit.edu