transparent jet engine

I saw this and thought it was too cool not to share.
http://www.youtube.com/watch?v=fRXUPn_0LXU
you can really see why N2 temp is so important
note the cool down cycle at shutdown
http://www.youtube.com/watch?v=fRXUPn_0LXU
you can really see why N2 temp is so important
note the cool down cycle at shutdown