Steven StrogatzI've been thinking a lot about rhythms. I've noticed on the treadmill at the Y that people tend to fall into step with each other. Being on treadmills, this is easier since you can be running at different speeds, but the same step count. It creates an interesting effect when the treadmills are on a suspended 2nd story as it was at the last gym. I've wondered how many people it would take to collapse the floor.

This study seems to indicate that there are (at least tendencies towards) rhythms in 'group' emotions. What other rhythms are there and how do they affect me? How do they affect the markets?

Vincent Andres writes:

Here is a good paper on this topic of frequency coupling.


Steven Strogatz

a book on the subject .

and a TED video: (look at the part on fireflies, near the 10th minute on metronomes (1st historical notice by Huygens), near the 13th minute and the bridge (not Tacoma … but not very far!)… in fact the whole video examples are interesting).


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