Viking Crystal Navigation
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In ancient times, Vikings were the most famous sea explorers. How did the Vikings navigate through Arctic latitudes when they could not see the sun? Kaedrich Olsen describes the sunstone, a mysterious crystal tool that science now shows to be highly effective in locating the light of the sun hidden behind clouds.
Featuring:
Kaedrich Olsen
Audio Languages:
English
Subtitles:
English
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