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A comment on Multi-Layer Dictionary (2016). Parent comment

Re:Multi-Layer Dictionary (2016) by yorwba on Tuesday July 23, 2019 @05:37AM (#20505500)
How do you determine whether your magnetic field is pointing up and not down?
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Re:Multi-Layer Dictionary (2016) by goldenkey on Tuesday July 23, 2019 @09:23AM (#20506504)
Closer and farther can be used to explain up and down.
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Re:Multi-Layer Dictionary (2016) by yorwba on Tuesday July 23, 2019 @11:21AM (#20507421)
How do you use closer and farther to determine whether a magnetic field is pointing up or down? It's not like there are little arrows on magnetic field lines you can just look at.
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