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I was wondering why you hadn't just reported the post, until I looked at the thread. 
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.
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.- 16,110
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Or simply demonstrate the modes "live" to your class, holding a banana in each hand.
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jtbell said:Or simply demonstrate the modes "live" to your class, holding a banana in each hand.
Oh dear! I think most students already think chemistry professors are bananas. That would definitely not help. 
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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.