Virtual Whistler

A compass guides a traveler in which direction he has to go or is going. A common compass consist a magnetic needle supported on a pivot so that it can swing freely in all directions.

The needle (N) points to the north of earth's magnetic pole. As the location of earth earth's magnetic poles is known, directions of the other places can be determined.

The Chinese invented the compass about 4500 years ago. Later Arabs, the traders introduced compass.

The sailors who used the compass discovered that the North magnetic pole and the geographical North Pole are not located at the same place.