[MR] Did Vikings Navigate by Polarized Light?

[Bill Ford Hotmail]

Here is the reference to the full article:

http://rstb.royalsocietypublishing.org/content/366/1565/772 

The upshot of the article is that while the theory is plausible, more
research is necessary, especially in order to determine the errors
associated with the positions measured using such methods. As a physicist, I
would caution that using natural crystals, which the Vikings certainly
would, the accuracy would suffer MUCH more than is likely to be calculated
or measured using modern methods. Natural crystals have defects which are
not in crystals that are grown in manufacturing facilities today.
Nevertheless, it is an intriguing idea and I will be interested to see how
their research proceeds.

--Dr. William C. Ford
(William Scolari - Barony of Bright Hills)

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