Originally Posted by alan H
Might consider using rare earth magnets... Iíve never tried them but have heard great things from those that have
So, when the earth's polarity reverses, will all your cupboard doors open?
From the web: When
patches grow to the point that they dominate the rest of the core, Earth's overall magnetic field flips. The last reversal happened
780,000 years ago during the Stone Age, and indeed there's evidence to suggest the planet may be in the early stages of a pole reversal