The Unusual Technology of the Vikings

Get a good night of sleep with this educational lesson written to calm your mind and ease you into deep fulfilling rest.

This video combines the familiar, yet calming sound of an old school movie projector, combined with a soft-spoken nightly class designed for you to learn as you fall asleep.

This video is great for sleep meditation, relaxation, falling and asleep peacefully by creating an environment that is ideal for a good night of rest.

Tonight’s Topics:
0:00 Strange Tech Used by the Vikings



Select reference sources:
Ropars, G., et al. "A depolarizer as a possible precise sunstone for Viking navigation by polarized skylight." Proceedings of the Royal Society A, vol. 468, no. 2139, 2012.
Horváth, Gábor, et al. "On the trail of Vikings with polarization sunstones: experimental study of the atmospheric optical prerequisites allowing polarimetric navigation by Viking seafarers." Philosophical Transactions of the Royal Society B, vol. 366, no. 1565, 2011.
Száz, Dénes, et al. "Success of sky-polarimetric Viking navigation: revealing the chance Viking seafarers could reach Greenland from Norway." Royal Society Open Science, vol. 5, no. 3, 2018.
Le Floch, Albert, et al. "The sixteenth century Alderney crystal: a calcite as an efficient reference optical compass?" Proceedings of the Royal Society A, vol. 469, no. 2153, 2013.
Hegedüs, Ramón, et al. "Could Vikings have navigated under foggy and cloudy conditions by skylight polarization? On the atmospheric optical prerequisites of polarimetric Viking navigation under foggy and cloudy skies." Proceedings of the Royal Society A, vol. 463, no. 2080, 2007.


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