Straight copper pipe, at least 30cm long ... Magnetism to many people means the way fridge magnets stick to the side of a fridge that's made of steel. That kind of magnetic attraction is quite ...

These range from postcards to shirts and magnets. The latter often finds its place on our fridge. However, this convention may have detrimental effects on our home appliances. So why, you might be ...

Most other metals are not magnetic. Copper pipes that carry water around ... We use them to keep fridge doors closed, for example. But we wouldn't want all metals to be magnetic - our knives ...