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| Make a ghost detector. [https://www.youtube.com/watch?v=oA5cuLMHIsY] | Make a ghost detector. [https://www.youtube.com/watch?v=oA5cuLMHIsY] | ||
| == " | == "Nonstandard photography" == | ||
| "Many types of light have frequencies too high or too low for the human eye to detect. [...] A number of specialized photography techniques have been devised to work with different light frequencies to make the invisible visible." (Delton T. Horn) | |||
| One of those techniques is known as "Kirlian photography". In a Kirlian photograph, subjects are surrounded by colorful auras, which indicate their inner state on a physical, mental, and spiritual level. Professionals or institutions will be asked to read the aura around the person on the picture. | |||
| '''Construction manuals''' | '''Construction manuals''' | ||
| Horn, Delton T.: "21st-century electronic projects for a new age", 1992 | Horn, Delton T.: "21st-century electronic projects for a new age", 1992 | ||
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