So many television programmes are made about dark matter, black holes and string theory using computers to hide with fancy graphics what they completely lack in solid evidence. I don't have access to fancy graphics but I have made a powerpoint video based on my recent seminar at Exeter University. It explains how quantised inertia predicts galaxies without dark matter, and the emdrive thrusts as well. I hope it is at least clear:
Please do give me constructive feedback on this video, and tell me what you'd like to hear about, and I will try and produce some more of them.