The Conversation

Explainer: what happens when magnetic north and true north align?

Author: Paul Wilkes, Senior Research Geophysicist, CSIRO

Very rarely, depending on where you are in the world, your compass can actually point to true north. https://www.shutterstock.com

At some point in recent weeks, a once-in-a-lifetime event happened for people at Greenwich in the United Kingdom.

Magnetic compasses at the historic London area, known as the home of the Prime Meridian, were said to...

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