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Occult Phenomena and After-images

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Abstract

IF the hand be held against a dark background in a very subdued light, coming from behind the observer and falling on the hand, a diffuse glow will be observed round thumb and fingers, frequently uniting the finger tips. A little patience and a moderately clean hand are all that is required to observe the phenomenon

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References

  1. See, e.g., Edridge-Green's "Physiology of Vision." (G. Bell and Sons.)

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Authors and Affiliations

  1. Artillery College, Woolwich

    E. N. DA. C. ANDRADE

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  1. E. N. DA. C. ANDRADE
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DA. C. ANDRADE, E. Occult Phenomena and After-images. Nature 110, 843–844 (1922). https://doi.org/10.1038/110843b0

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  • DOI: https://doi.org/10.1038/110843b0

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