Measuring distance in two dimensions

Walter Metzner ()
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Walter Metzner: University of California at Riverside

Nature, 1998, vol. 395, issue 6705, 838-839

Abstract: Weakly electric fish produce an electric field with an organ in their tails; sensing distortions of that field gives the fish information about their environment. It was thought that distance could not be judged with this system, but some cunning behavioural experiments show that this is not so. The feat is unusual because most other animals can gauge distance only by using a pair of sense organs, such as two eyes.

Date: 1998
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DOI: 10.1038/27536

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