The Core
Why We Are Here => Water Cooler => Topic started by: Brad on April 06, 2018, 09:19:27 PM
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Mysterious sunstones in medieval Viking texts could really have worked | Ars Technica https://arstechnica.com/science/2018/04/mysterious-sunstones-in-medieval-viking-texts-could-really-have-worked/#p3
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I saw a doc about that a while back, trying to find ...
.. can't find, i think it was a BBC doc but it was agreed they were useable.
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Wow, no wonder we roamed far and wide :D