So, now we'll find out if it really works?:
"With two ongoing studies rigorously testing the EmDrive’s “impossibility,” the
controversial drive that’s hung around astro-engineering circles for more than two
decades is only months away from its do-or-die moment."
"McCulloch has developed a theory of Quantized Inertia (QI), which explains the effect
and how it could help with human space travel. McCulloch has spent much of the past
18 months honing this theory and checking how its predictions match results in the
laboratory.
Jose Luis Perez Diaz in Madrid, Spain, and Martin Tajmar in Dresden, Germany, are
carrying out the experimental side of the project. Tajmar confirms that he plans to
publish two papers in February 2021, one on the “normal” microwave EmDrives and
the other on the laser-based EmDrives. On the experimental side, Tajmar is still
working on eliminating every possible source of error."
See:
https://www.popularmechanics.com/spa...rive-wont-die/