In the blink of an eye in geological time, Canada has lost one north pole but gained another, a new and different claim to be ...

If shrunken down to micron size, a compass needle could wobble. (Courtesy: iStockphoto/tobias machhaus) A tiny magnetic needle just 10 μm long could be used to create a magnetic-field sensor that – if ...

A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...

The movement of the magnetic North Pole is the result of the Earth having an active core. The inner core, starting about 3,200 miles below your feet, is solid and under such immense pressure that it ...

Quick – can you tell where north is? Animals as diverse as sea turtles, birds, worms, butterflies and wolves can, thanks to sensing Earth’s magnetic field. But the magnet-sensing structures inside ...

Magnetic compasses have long served as an indispensable navigation tool, using Earth's magnetic field to point the way. But there are specific locations on our planet where magnetic compasses either ...

Iron, steel, nickel and cobalt are magnetic close magneticAble to be magnetised or attracted to a magnet. materials and would feel the force from a nearby magnet. All other materials that do not ...