I wasn't sure where to put this. I hope this is of interest to some.
It appears that something called a "sunstone" actually exists. The way it works would fit in a fantasy setting easily. The fact that it's real adds plausibility and authenticity.
You can find the rest of the article here.
It appears that something called a "sunstone" actually exists. The way it works would fit in a fantasy setting easily. The fact that it's real adds plausibility and authenticity.
For centuries, it has been a crystal of legend locked in the verses of Norse myth with little or no evidence that it was ever real. Now it seems scientists at last have grounds for believing that the Viking “sunstone” used to navigate the seas did indeed exist.
You can find the rest of the article here.