Scientists determine Viking trade routes by the metal in their swords

Scientists at the National Physical Laboratory (NPL) in Teddington have worked with the Wallace Collection to analyse the contents of Viking swords - and the results shed new light on trade routes in the middle ages.

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<p><a href="http://www.physorg.com/news150373962.html">Scientists determine Viking trade routes by the metal in their swords</a></p> <p>Scientists at the National Physical Laboratory (NPL) in Teddington have worked with the Wallace Collection to analyse the contents of Viking swords - and the results shed new light on trade routes in the middle ages.</p>