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DPChallenge Forums >> General Discussion >> Harmonic Motion: you've GOT to check this out...
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08/19/2011 02:17:05 PM · #1
//tinyurl.com/3ee2ey

Harmonic Motion

It blew me away!

R.

Message edited by author 2011-08-19 14:35:50.
08/19/2011 02:18:55 PM · #2
link doesn't work
08/19/2011 02:22:29 PM · #3
Originally posted by mike_311:

link doesn't work


I guess he's blown away by broken links? :P
08/19/2011 02:33:34 PM · #4
Okay, we'll do it this way:

Harmonic Motion

The tiny url was what was in my mail...

"Here at Harvard, Prof Eric Heller has suggested that the demonstration could be used to simulate quantum revival. So here you have quantum revival versus classical periodicity!"

Message edited by author 2011-08-19 14:35:06.
08/19/2011 02:44:17 PM · #5
Trippy
08/19/2011 02:56:17 PM · #6
Interesting visually, but from a physical standpoint, not surprising. Any number of pendulums would synchronize that way as long as their natural frequencies were seperated by an integer value.

More interesting to me was the fact that when they lined up for the second time, some of the shorter pendulums were not quite perfectly lined up, indicating a small error in the length of the pendulum.
08/19/2011 03:00:32 PM · #7
Thanks! that was a treat.
08/19/2011 03:40:49 PM · #8
Originally posted by Spork99:

Interesting visually, but from a physical standpoint, not surprising. Any number of pendulums would synchronize that way as long as their natural frequencies were seperated by an integer value.

More interesting to me was the fact that when they lined up for the second time, some of the shorter pendulums were not quite perfectly lined up, indicating a small error in the length of the pendulum.


Of course! Nothing earth-shattering here, just fascinating, even hypnotic, to watch :-)

R.
08/19/2011 03:44:36 PM · #9
Very neat! Thanks for sharing!! I passed it to a few friends
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