It's a shame you did not include a link in your article. I recall having seen information about this technology before. Here is a link to a page on the organisation's website that responds honestly to some of the objections that commenters here have raised. (And more bvesides). I think it will be a long time before a working model of practical size will be rolled out. Nevertheless, it is a promising technology. https://vortexbladeless.com/objections-and-vortexs-limitations/