Would Be Nice....
Posted: Sun Mar 04, 2007 10:41 am
if they actually had any evidence for it!
http://news.yahoo.com/s/livescience/200 ... cloudydays
http://news.yahoo.com/s/livescience/200 ... cloudydays
Vikings navigated the oceans with sundials aboard their Norse ships. But on an overcast day, sundials would have been useless. Many researchers have suggested that the on foggy days, Vikings looked toward the sky through rock crystals called sunstones to give them direction.