Viking Sunstone Accurate As A Magnetic Compass! | Expedition Unknown
The Sunstone: Secret of Viking Navigation
How the Vikings may have used calcite to locate the position of the Sun in a cloudy sky
let a hick show you how to use a Viking stone compass
Viking Sun Compass
Using Polarized Sunglasses as a Viking Sunstone
Did the Vikings use the sunstone for navigation?
Mythical Viking Sunstone Is Real
Viking Sunstone (e.g., Iceland Spar) Double Refraction, Not Direction of the Sun
Vikings (2013) History Channel Series - Navigate with a sunboard
Viking sunstone demo
How a Viking sun stone works, using light polarised by reflection from ice. Sluneční kompas Vikingů.
Viking Sunstone - Sólarstein Gun - Experiment #1 - not 100% viking, but seems to work fine :-)
The secrets of Viking navigation - An interview with a captain of a Viking ship replica
Viking sun stone, CaCo3
Unveiling The Secrets Of The Viking Sunstone: Ancient Navigational Tool Revived!
Unveiling The Mystery of the Viking Sunstones Use: Did Vikings Harness Light?
6 Fascinating Ways Our Ancestors Navigated the Oceans
Calcite: The Viking Chapter