Honestly Tesla guns while totally silly are just balanced enough and dieselpunkyto fit the setting well, but perhaps as a result of that it seems several nations/political alliances, are already looking into it.

In the last IC post from the Moravia-Verendes-Izuno side of things the Izunese have a decent amount of theoretical work done on such a weapon and Serp informed me OOCly that Ceresia is likley going to concurrently have such a program underway.