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Wow! And free!

Tracker is a free video analysis and modeling tool built on the Open Source Physics (OSP) Java framework. It is designed to be used in introductory college physics labs and lectures. Features include: 1. Object tracking with position, velocity and acceleration overlays and data. 2. Video modeling with dynamic particle overlays and data. 3. Center of mass tracking with overlays and data. 4. Rotational motion data includes theta, omega and alpha. 5. Interactive graphical vectors and vector sums. 6. Line profiles for RGB analysis of spectra and interference at any angle 7. RGB regions for time analysis of RGB data 8. Flexible video calibration options. 9. Multiple reference frame views of collisions and other motions. 10. Video filters, including brightness/contrast, ghost trails, and deinterlacing. 11. User-defined constants and variables for plotting and analysis. 12. Data analysis tool with powerful automatic and manual curve fitting. 13. Full undo/redo with multiple steps. 14. Video converter for converting edited/filtered videos to mov, gif, jpg or png formats 15. Video exporter tool for recording videos with track overlays. 16. Copy and print images of any view for use in labs and other documents. 17. Paste web or other images directly into Tracker for analysis, save if desired. 18. Helpful hints for new and occasional users. 19. Drag-n-drop trk and video files to open.

Today we're looking at GEteach [Google Earth PLUGIN required.] , a site developed by 9th-grade Geography teacher Josh Williams. The site uses the Google Earth Plug-in to give you quick access to a wide variety of information such as the CIA Factbook, population densities, and various other human and physical geographic overlays.

"Tagwhat is a free network where you can create-and-share location based messages and content on-line or in mobile augmented reality. Mobile AR is a new way of displaying information on mobile devices, at the user's location, via the camera view. Essentially, by placing data overlays over real life street scenes, the service 'augments' reality in ways that makes one's reality richer."

If you are new to Google Earth (GE), there are some useful stories written in the Google Earth Blog which might give a beginner, or even an experienced user, some insights about this exciting program. If you are looking for more advanced things, try going to the GEB home page and use the categories or Search option for things like: GPS, Geocaching, GIS, network links, image overlays, and more. On this page are links to stories which might help guide you to learning enough about Google Earth that you will soon be a GE expert.

Interactive maps from the National Oceanic and Atmospheric Administration with lots of data to mashup.

Welcome to this ressource page on 'Google Earth'. A few sections are written in Danish since these guidelines are/were designated Danish friends and family. For all you others feel free to check out our homemade kmz files, google earth tours, placemark collections like; the Suez canal tour, the Gudenaa river tour, the Kiel canal tour and the mighty Amazon river tour. Not to mention the Mount Everest tour and K1, K2, K3, K4, K5 mountains. Or take the tour through great and grand canyons along the Colorado river. Dive into the deepest part of the oceans by taking the Mariana trench tour.