Did Vikings Use These Crystals To Navigate?
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) ---------- Support us for $8/month on Patreon and keep SciShow going! / scishow Or support us directly: https://complexly.com/support Join our SciShow email list to get the latest news and highlights: https://mailchi.mp/scishow/email ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Toyas Dhake, Spilmann Reed, Gizmo, Garrett Galloway, Friso, DrakoEsper , Lyndsay Brown, Jeremy Mattern, Jaap Westera, Jeffrey Mckishen, Matt Curls, Eric Jensen, Chris Mackey, Adam Brainard, Piya Shedden, Alex Hackman, Kevin Knupp, Chris Peters, Kevin Bealer, Jason A Saslow ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ TikTok: / scishow Twitter: / scishow Instagram: / thescishow Facebook: / scishow #SciShow #science #education #learning #complexly ---------- Sources: https://docs.google.com/document/d/e/...

Scientists Are Arguing About Why This Rock Shimmers

Iceland Spar: the Mineral That Changed Science

The Problem With Fingerprint Analysis

B&G | Tom Cunliffe | How did the vikings navigate the seas?

How Ancient Glass Could Transport Life Between Planets

Feral Hogs: Last Week Tonight with John Oliver (HBO)

Ancient Human Species We Once Co-Existed With

The hidden logic behind #, @, & and §

Can You Keep Zooming In Infinitely?

Many Crystals Take Millions of Years to Form, Not These

The History of Aluminum

The Crystal That Could Destroy All Medicine

The Brooklyn Bridge Should Have Been Impossible in 1870

No, Space Doesn’t Kill You Like That

Why is this one spot not warming?

6 Inventions That Are Older Than You Think

We've never seen an atom. But we know what they look like.

The Deadliest Weapon of the Ancient World

China RELEASED 1.2 MILLION RABBITS Into the Desert — What Happened Next SHOCKED Scientists!

