Did Vikings Use These Crystals To Navigate?
By SciShowFrom boclips.com
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The Vikings were renowned navigators at a time before magnetic compasses were invented. So how'd they manage it? Their secret may have been these pretty-pointed crystals of calcite called Iceland spar, and this month's SciShow Rocks Box subscribers will get to try this out for themselves! Hosted by: Stefan Chin (he/him)
Tags
Explainer
Physical Sciences
General Science
Astronomy
Physics
Advanced Secondary
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