All of the magnetic metal objects in the house magnetized. Items with a large mass as a permanent magnet attracts small objects – nails, staples … and reject all the compass – pushing her at one end and the other at attracting considerable length, such as metal table knife. That is, there is a clear polarization of the permanent magnet …
Suggest and ask to conduct similar surveys at home. If the problem persists at all, then … if only to me, it means that I live in a wonderful place – Moscow region.