DIY compass

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DIY compass
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Clip from Scope  |  ELEVEN  |  November 19, 2014

Junior scientist Lilli explains how digital magnetometers work and points us in the right direction to make our own analogue navigation instrument. Did you know that the metal in a simple needle contains small regions called magnetic domains, and when harnessed correctly they will point due north based on the earth's magnetic fields? To get orienteering at home, you will need a shallow bowl, water, a needle, a magnet with north and south markings, wax paper and scissors.

Junior scientist Lilli explains how digital magnetometers work and points us in the right direction to make our own analogue navigation instrument. Did you know that the metal in a simple needle contains small regions called magnetic domains, and when harnessed correctly they will point due north based on the earth's magnetic fields? To get orienteering at home, you will need a shallow bowl, water, a needle, a magnet with north and south markings, wax paper and scissors.

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