I break older eggs individually and examine, and only use in baking. Kept in a cool dark place, I have had good results with little spoilage. I find that not getting them wet prolongs storage, so I am not sure I would want to try the thermal stablization unless I did not know whether or not the eggs had been washed. We wash them well with soap and water immediately before using them.
A compound called "waterglass" was also used to store eggs, and was available at the grocery stores. I have not been able to find a source.