I was wondering why you hadn't just reported the post, until I looked at the thread. :rofl: Those are great animations. Anyone who has to teach chemistry should be pointed to that thread...much easier to understand with those than with pictures in a textbook.
Or simply demonstrate the modes "live" to your class, holding a banana in each hand. :rofl:
:rofl: Oh dear! I think most students already think chemistry professors are bananas. That would definitely not help.
This also makes me think of a film clip I saw once, showing a traffic cop standing in the middle of an intersection with a baton in each hand, directing traffic as if he were in a ballet.
Separate names with a comma.