Δαφνη Ευτυχια Αρθουρος

Oh I know why. (There was a "... because of the frame rate ..." that was in my head when I wrote that, but somehow didn't make it from head to fingers). It's just that for some reason it bugs me more with treads than with spokes.

"Oh, look! That tank is doing the 'moonwalk'!"

Hmm. Now I'm imagining a wagon moving at just the right speed for the wheels to appear not to turn at all on television, and I think that would make me twitch ...