I couldn't find anywhere in the video where it was changing the time in real time....it either shows it while staying at a certain time, or shows it in fast motion. Am I looking in the wrong place?
https://www.youtube.com/watch?v=-drmRYsvUaM
You can really appreciate the difference between the gentle movement induced with mechanically actuated magnets, and the nasty instantaneous movement which would happen with electro.