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I wonder how they rule out the effects of the Earth's magnetic field. I can see there being some small effect due to some kind of eddy currents pushing ions in
by foobarian 11y ago
I wonder how they rule out the effects of the Earth's magnetic field. I can see there being some small effect due to some kind of eddy currents pushing ions into one direction. Maybe they turn the apparatus at multiple angles and check the bias to north-south?
- jboggan 11y agoI seem to recall that they could not find any variance in the force by orienting the apparatus in different directions. Some good work has been put into finding the cause of this, and most of the easy and obvious errors have been tested and found to be unrelated to the effect.