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Aura Lens -- Cyanogen / dicyanin / pinacolone makes the aura visible

Inventor: Walter J. Kilner
Year: 1911
Device: Aura Lens (Kilner Goggles)
Folder: kilner
Original: Open article
Confidence
0.90
Practicability
0.20
Evidence
0.20
Fringe Score
0.90
Risk
0.50
TRL
2

Goal

Enable the naked eye to perceive the human aura (energy field) for diagnostic purposes

Problem

Inability of conventional vision to detect the purported human energy field (aura)

Concept Summary

Kilner proposed that a human aura emits radiation outside the normal visible spectrum, likely ultraviolet. By training the eye with glass slides or goggles coated with alcoholic solutions of strongly colored dyes such as dicyanin, the observer could become sensitive to this radiation and perceive auric formations surrounding the body.

Detailed Description

The system consists of glass slides ("Kilner Screens") or goggles containing a thin film of alcoholic dye solution (e.g., dicyanin, pinacolone, cyanopinacolone). The dyes act as optical filters that block most visible wavelengths while transmitting ultraviolet or near-ultraviolet light. Users first train their eyes by looking through the illuminated slides; after training they claim to be able to see the aura without any apparatus. The method was later adapted with alternative dyes (pinacyanol) or substituted with cobalt-blue/purple glass, but the core principle remained optical filtering to reveal a non-visible radiation field.

Principles

  • Optical filtering of specific wavelengths
  • Training of visual perception to detect ultraviolet radiation
  • Use of colored dye solutions as selective transmission media

Scientific Domains

Optics Photonics Medical diagnostics Physiology

Materials

  • Dicyanin (synthetic blue coal-tar dye)
  • Cyanopinacolone
  • Pinacolone
  • Glass slides
  • Alcohol (ethanol) solvent

Mechanisms of Action

  • Dye molecules absorb visible light and transmit UV/near-UV
  • Human eye adapts to increased UV exposure after training
  • Perceived aura is interpreted as a pattern of UV-induced visual phenomena

Applications

  • Medical diagnostic aid (auric imaging)
  • Alternative health assessment

Claimed Performance

Ability to see aura formations extending several inches from the body, including inner and outer aura layers, after a short period of eye-training.

Experimental Evidence

Kilner reported visual observations of auric formations; the British Medical Journal attempted replication and obtained negative results; later researchers dismissed the phenomena as observer artifacts.

Replication Status

Negative replication reported by the British Medical Journal; no independent confirmation.

Limitations

  • Dyes are scarce, toxic, and hazardous to handle
  • No reproducible scientific evidence of aura existence
  • Subjective perception highly dependent on observer bias
  • Lack of peer-reviewed validation

Red Flags

  • Pseudoscientific claims lacking independent verification
  • Use of toxic chemicals (dicyanin, cyanopinacolone)
  • Historical negative replication attempts

Keywords

aura dicyanin Kilner goggles optical filter ultraviolet perception pseudoscience medical diagnosis

Related Technologies

UV photographic sensitizers Optical filter glasses Polarizing and wavelength-selective lenses

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