Public domain photos

The image shows a diagram of a sphere with a red line going through it and a yellow dot in the center. The background is white and there is some text written on it. The sphere appears to be a magnetic field, with the red line indicating the direction of the magnetic field.

The image shows a diagram of a sphere with a red line going through it and a yellow dot in the center. The background is white and there is some text written on it. The sphere appears to be a magnetic field, with the red line indicating the direction of the magnetic field.Open in library