>NEW: Info to the keyword iolite | >discuss | >create link 
on Dec 30th 2004, 05:58:15, iolite wrote the following about

iolite

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
If these tips get on your nerves, just ignore them.
Your name:
Your Associativity to »iolite«:
Do NOT enter anything here:
Do NOT change this input field:
 Configuration | Web-Blaster | Statistics | »iolite« | FAQ | Home Page 
0.0036 (0.0020, 0.0003) sek. –– 128664478