Fridge magnets and decorative jewellery could be a killer ... Close contact - within about 3cm - with a neodymium magnet is enough to destabilise these life-saving heart devices, Heart Rhythm journal ...

Whereas regular fridge magnets are made from iron or nickel, neodymium magnets are made from a highly magnetic element called, well, neodymium. Without getting too technical, a magnet made from ...

For example, they typically contain large amounts of neodymium, known as the most powerful material used in permanent magnets ...

From tiny fridge magnets that hold to-do lists to ... Each magnet has a grade, which typically denotes its strength. For example, a neodymium magnet of grade N42 has a strength of 42MGOe.