Amazing fact about the invention of the lighter
The cigarette lighter was invented before the match.
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- Has Earth's magnetic field ever flipped?
“Earth's magnetic field has flipped many times. The last full reversal happened about 780,000 years ago, when a compass would have pointed south.”
Reference: NASA
More from this shelf
Where was the compass invented?
The first compasses were made in ancient China from lodestone, a naturally magnetic rock, and were used for fortune-telling and feng shui before navigation.
Does a compass point to the North Pole?
A compass points to the magnetic north pole, not the geographic North Pole, and the magnetic pole is slowly drifting toward Siberia.