Weird stuff I didn't know, naval dept.: Two sea areas with no compass variation

Thomas J. Cutler writes in the March issue of Proceedings that there are "only two
places where there is no compass variation." In other words, where "both gyro
and magnetic compasses are perfectly aligned."

One of those places
is the Bermuda Triangle. The other is a region in the Pacific called, he notes,
"the ‘Devil's Sea,' for it, too, is known for mysterious disappearances." It
isn't clear what the lack of variation has to do with the two areas'
reputations for trouble, he notes.