Great Google Earth Feature – Time Animation

On the Google Earth Blog, Frank Taylor lists the top ten Google Earth time animations for 2006. Time animations were added in Google Earth 4 and are a great way to view data that changes over time, for example animal and human cases of avian flu (Declan Butler’s blog). Authors simply add a time span element to data in kml files, like so, and Google Earth renders a time slider bar in the user interface.

<TimeSpan id=”ID”>
<begin>begin date here </begin>
<end>end date here</end>
</TimeSpan>

The time slider is highlighted in a screen shot of the avian flu map below.

google earth

There are some Google Earth software limitations that were apparent when viewing Hurricane Katrina data. I wished I could have incremented the “animation” in hours rather than days. There are some great suggestions for improvement on Stefan Geens’ Ogle Earth Blog, so I won’t rehash them here. This functionality is a great addition to GE!

Wii and Physics?

Tim Lauer of Lewis Elementary School points to an interesting use of Darwiin Remote Software and the Nintendo Wii remote to run a Roomba (a robot which will vacuum your house). I don’t have a Nintendo Wii game, but if Darwiin will capture 3D acceleration from the Wii game remote, it shouldn’t be too difficult to determine force information from the remote. So if someone is playing Wii baseball for example, it should be easy to capture the force of their swing. Perhaps students could experiment with different variables to increase the force of the swing and determine the impact on the distance the batted ball travels. Does the game show the force of the swing already?

In my physics classes we used the Vernier accelerometers to capture 3-dimensional acceleration on different amusement park rides. Although the experience turned me green, we got exceptional data (see image and graph below). I wonder if using a combination of a Wii remote, Bluetooth, and some sort of handheld device if the same sort of data could be gathered on the ride? It still doesn’t solve my motion sickness, but maybe it would save a few bucks and be fun to try.

hatcoaster

Timeline software with AJAX

You’ve probably experienced AJAX through google maps and other websites. It makes for a great web experience, especially for the impatient. Dr. Lloyd Benson provided this timeline link. My colleague, Dr. Diane Boyd, had a great idea to combine timelines and maps, updating the map as the user progressed along a particular timeline. We’ll have to learn AJAX programming to do it, or perhaps it might fit into an First Year Seminar with a historical and technological focus, and the students could drive the construction. It’s definitely something to keep on the radar as we continue to strive to help students incorporate historical perspectives into their learning experiences.