Laboratory Convection Experiments with Internal, non-contact Microwave Generated Heating, Applied to Earth's Mantle Dynamics.

Bilateral RO-FR joint research project
http://www.itim-cj.ro/bilateral/terra-mwh/index.html
"Radar Tutorial", a great site about the physics and construction of the magnetron.
More info about the photonic crystals on Wikipedia...
The Official page of the
"National Institute for Research and Development of Isotopic and Molecular Technologies", Cluj-Napoca, Romania