Caption:infobox controversial invention

{{Infobox controversial invention | name = RF resonant cavity thruster | inventor = Roger Shawyer (EmDrive), Guido Fetta (Cannae Drive) | lawviolation = [[Conservation of momentum]], [[Newton's Third Law]] | image = File:EmDrive built by Eagleworks inside the test chamber.jpg | caption = Prototype resonant cavity thruster built by [[NASA]]'s [[Eagleworks Laboratories]] }}