Hidden beauty in twisted viking neck rings

A friend posted this on Facebook so I thought I would share it here
with myjewelry friends. I get lost a bit when the math starts but it
is a very good article.

Many hoards found in Ireland, Scotland, Orkney Islands, and
Scandinavia demonstrate the vikings ability to fabricate
beautiful arm and neck rings of twisted silver and gold rods.
Characteristic for such rings is the uniform appearance of the
twisted pattern along the length of the arm ring, as well as
from one arm ring to another, also when found at distant
geographical locations. How can the appearance of the twisted
wires be so perfectly repetitive? We demonstrate that the answer
is that the vikings utilized a self-forming motif: The pattern
arises from a twisting of the wires to a maximally rotated
configuration. That is why the twist patterns in these arm and
neck rings are beautiful, repetitive, and universal.

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Thanks for the link Gerald. My eyes glazed over at the math too.
Gotta love those academic writers.

I’m guessing that the Vikings didn’t have such sophisticated graphs
and math. It probably went more like, “Hey Ragnar, look what I can do
with this wire! Think the Chieftain or the babes will like it?” Have
fun and make lots of jewelry.

Jo Haemer

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very interesting article. the physics of twisting the wires was very