The Magnetic Compass was used in a test to show that polarized light modulates light-dependent magnetic compass orientation in birds by Rachel Muheim et al. (2015).

The maze was centered in a magnetic coil (Merritt design), thus the magnetic field could be directed toward any of the four maze arms [mN at geographic north (gN), geographic south (gS), geographic east (gE), or geographic west (gW)].

Individual birds were trained to find a food reward at the end of each of the four arms. The food reward (during training trials only) is hidden in one of the four red trays. At the center of the maze there is a release device from where the birds are remotely released to explore the maze. The unpolarized light source is centered above the maze. Linear polarizers and/or depolarizers can be inserted in a filter holder just below the light source.

Mazeengineers offers the Magnetic Compass.

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Price & Dimensions

Magnetic Compass

$ 1990

+S&H
  • Length of maze: 1.2m
  • Width of maze: 1.2m
  • Length of magnetic coil: 2m
  • Width of magnetic coil: 2m
  • Height of magnetic coil: 2m