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  • Slinkys and Change

    Posted by Michael Hiteshew on November 30th, 2015 (All posts by )

    First, watch this awesome slo-mo of a slinky being dropped.

    Because it takes time for the tension to be released on the bottom of the slinky, it remains ‘held up’ while the top of the slinky falls. More subtly, the torsion is released faster than the tension and reaches the bottom first, uncoiling and rotating the bottom surface before the tension is released and the bottom finally begins to fall.

    Social change behaves in a similar way. When a critical mass of thought or behavior changes state from OK to not-OK, it releases the social tension holding that thought or behavior in place. A wavefront of change moves through society from the change-point group outward to those most closely associated and onward from them in an expanding sphere of influence. The group farthest from the change point – either physically, socially or ideologically – is the last group to change.

    The subtle part is that some part of that change may move faster. An idea, subordinate to, but foundational of the larger change may move through society first, followed later by large scale behavioral or ideological change. Examples might include the idea that tobacco smoking is unhealthy moving through society as a precursor to a later change that smoking is socially unacceptable, followed even later by policies and ideological reinforcement to discourage it. Another example being that information about stagnation in economic performance and high unemployment might move through society as a precursor to change in economic policy or even entire economic systems.

    In the slinky, the inertia of the spring impedes the release of tension, which is why the bottom of the spring doesn’t fall at the same instant as the top. In society, not only does it take time for information to propagate, and for a critical mass of people to change opinion, but there is the additional impedance of disinformation, the inertia of entrenched interests hiding or distorting critical information in order to protect their power and income.

    Finally, there is one other effect which is fascinating. Because the top of the slinky is released first, it the first thing to be affected by the change in state, therefore is the first thing to experience the acceleration of gravity. As a result, it actually outruns the tension-release propagating through the slinky, and reaches and passes the bottom of the slinky while it is still being held in place.

    Again, this is mirrored in society. Those first to change have made large progress toward the new state of things before the last of the group has even begun to react. If they get far enough out front, they end up pulling the rest along even against their will. Revolutions can sweep through societies this way.

     

    6 Responses to “Slinkys and Change”

    1. Mike K Says:

      Now that Thanksgiving is over, I have to get back to my Physics.

    2. vxxc2014 Says:

      Here, HERE is your America 3.0

      Congress initiates Space Age Gold Rush/Age of Discovery. Space Exploration Act of 2015.

      99% of this Law is in the possession of the Space Real Estate.

      We needed a Frontier and so does the World, but America most of all. America also best placed to exploit this in terms of Industries for Asteroid mining and private space shipping already exist.

      https://pjmedia.com/richardfernandez/2015/11/28/the-return-of-the-frontier

    3. vxxc2014 Says:

      Note the progs have already begun to grumble.
      There’s some pink meat to sink your fangs into.

      If you don’t have fangs kindly grow them.

      Ta.

    4. Charles Cameron Says:

      Thank you for this.

      As an idea, the slinky mode of falling is non-obvious, immediately appealing, both delightful and suggestive of further applications.

      As applied to social chgange, however, it would appear hard to validate or use predictively, given that the three equivalents of gravitation that humanity is under — you term them “physically, socially .. ideologically” — are interwoven and indeed mutually interactive. Any one member of that threesome, in fact, is pretty hard to isolate or quanitfy, and may on closer exmination “separate out” into other, mutually interactive strands, the way a strand of silk may “separate out” into many finer strands when rubbed between the fingers.

      I like it okay, sometimes, when ideas have reliable, quantifiable outcomes (“technologies”), but don’t mind me, I’m basically a qualit, not a quant — it’s the “pure” not the “applied” that truly fascinates me.

      Again, my thanks. Your post, Michael, provided an auspicious opening to my day.

    5. Mrs. Davis Says:

      The Slinky factory in Hollidaysburg PA was a great tour once upon a time, I’m told. But it was sold to Poof Products of Plymouth, Michigan and the tours stopped, poof. Things change.

    6. Michael Hiteshew Says:

      Poof Products of Plymouth – :-P

      Hollidaysburg PA – What a great name.