Today’s Wonder of the Day takes a totally new direction!
Explained: The science behind how compasses work - Times of India
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How does a compass work? Does it show geographical north? If yes
HOW DOES A COMPASS WORK? by Niana Hall on Prezi
Why does the compass needle always point to the north
Magnetic Earth, PDF, Magnet
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Magnetic compass, Invention, History, & Facts
How it works: Magnetic compass - AOPA
What is a magnetic compass and how does it work?
How Does a Compass Work?
Sense of Direction: How to Make a Compass - Discovery Express