Significats de magnetize needle en anglès

This jar is filled with water and the magnetized needle placed in it.

The magnetized needle was always driven toward the same side, even with much force.

It was something of the purely physical world, as a magnetized needle swings towards soft iron.

Magnetized needle and paper in water method.

Magnetized needles suffer disturbances in their normal direction which cause them to deviate generally to the west first, afterwards to the east.

Sometimes these clouds are grouped and arranged almost like the rays of an aurora borealis; they then appear to disturb the magnetized needle.

Now this constant turmoil in the ether which creates the magnetic area explains why the magnetized needle of a compass unfailingly points north and south.