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Yes, I had seen this. It is very well made, but as you said, not that 
useful for teaching about declination and inclination.
Thanks in any case!
Tom-Pierre


Grant Smith wrote:
> One site I would suggest visiting is Nova's "Magnetic Storm" site at 
> PBS http://www.pbs.org/wgbh/nova/magnetic/  
>  
> This is the website companion to a 50-minute Nova epsiode that aired 
> approximately 3-4 years ago.  I think the video is excellent.  The 
> main topic is magnetic reversals and the supporting evidence, but it 
> also includes some information and visuals of how the magnetic field 
> protects Earth.  I don't think, however, that it has much information 
> on declination.
>  
> Grant D. Smith
> Western Oregon University - Earth Science Instructor
> Oregon State University - PhD student in science education
> [log in to unmask] <mailto:[log in to unmask]>
>
>
>  
> On Tue, Mar 4, 2008 at 12:13 PM, Tom-Pierre Frappé <[log in to unmask] 
> <mailto:[log in to unmask]>> wrote:
>
>     Hi all,
>
>     I am teaching an online course ( university level, 3rd year).  My
>     students are having a lot of difficulty visualizing the geomagnetic
>     field, and making sense of how the declination/inclination changes
>     spatially.
>
>     Does anyone knows of good online visualization for the magnetic
>     field of
>     the Earth?
>
>     3D would be best, and interactive simulations would be ideal, but I
>     might be wishing for the moon... you can email me your suggestions off
>     list, I'll compile them and send a summary back to the list-serve.
>
>     many thanks for your suggestions!
>     Tom-Pierre
>
>     --
>     Tom-Pierre Frappé
>     EOS-Science Education Initiative / ECAC & EOSC114 Administrator
>     Dept. Earth and Ocean Sciences
>     University of British Columbia
>     6339 Stores Road
>     Vancouver, B.C.
>     V6T 1Z4, Canada
>
>     Phone:(604)822-3063
>     fax:  (604)822-6047
>     [log in to unmask] <mailto:[log in to unmask]>
>
>
>

-- 
Tom-Pierre Frappé
EOS-Science Education Initiative / ECAC & EOSC114 Administrator
Dept. Earth and Ocean Sciences
University of British Columbia
6339 Stores Road
Vancouver, B.C.
V6T 1Z4, Canada
 
Phone:(604)822-3063
fax:  (604)822-6047
[log in to unmask]