Magnet therapy is a system based on the idea that our bodies form an electro-magnetic field that respond to the healing power of magnets. This is because iron makes up about four per cent of our ...
If all the compasses in the world started pointing ... Such reversals in the Earth's magnetic field, they'd tell you, are, roughly speaking, as common as ice ages. That is, they're terrifically ...
Until the arrival of GPS, the magnetic compass was the single most useful navigational tool available to humans. But it’s a recent invention. Although Chinese explorers understood the principles of ...
The magnetic field lines of a bar magnet can be viewed by using compasses or by shaking iron filings onto a platform above the magnet. Place the magnet on top of the paper in view of the document ...