>NEW: Info to the keyword iolite | >discuss | >create link |
on Dec 30th 2004, 05:58:15, iolite wrote the following aboutiolite |
The Vikings used thin pieces of iolite as a polarizing filter. This enabled them to determine the exact position of the sun and so to navigate safely far out to sea. |
user rating: +23 |
Contribute to the knowledge of all mankind by entering everything you know about »iolite«! |
Configuration | Web-Blaster | Statistics | »iolite« | FAQ | Home Page | |
0.0026 (0.0008, 0.0004) sek. 128633080 |