135:: people are much more likely to notice when a nearby street light turns on or off than they are to notice a light turning on or off at a distance, or a street light in a steady state at any distance. This is compounded by a failure mode of street lights, known as "cycling", in which street lights of the high pressure sodium type turn off and on more frequently at the end of their life cycle. A high pressure sodium engineer at
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on or off when passing near them. Believers in street light interference (SLI) allege that they experience it on a regular basis with specific lamps and street lights and more frequently than chance would explain; however, SLI has never been demonstrated to occur in a scientific experiment, and those
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proposes that the phenomenon is "not consistent with our current knowledge of how people interact with the physical world." Evans coined the term "SLIder" to refer to someone who allegedly causes this effect, and cites SLIders' claims of being able to "extinguish a row of
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Some proponents believe static electricity or "some kind of “energy” emitted by the human body" is responsible for SLI. Others claim the alleged phenomenon is caused by individuals having
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According to Evans, SLI is a phenomenon "based on claims by many people that they involuntarily, and usually spontaneously, cause street lamps to go out." Evans' 1993 book
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who claim the ability have been found to be unable to reproduce the effect on demand. The term street light interference was coined by proponent of
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Linton Weeks. "Bad Karma, Or Just Bad
Lightbulbs?; The Mystery Of Blinking Street Lights."
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The SLI effect : street lamp interference : a provisional assessment
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329:"Can some people extinguish streetlamps by means of their bodily emanations?"
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388:. Association for the Scientific Study of Anomalous Phenomena. : ASSAP.
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In "The
Straight Dope", October 28, 1994. Retrieved April 6, 2007.
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in sequence, each one going out as the witnesses nears it."
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Association for the
Scientific Study of Anomalous Phenomena
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298:Independent Investigations Group (11 April 2018).
353:"Street Light Interference" by Robert McMorris,
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265:"The Curious Case of Street Lamp Interference"
234:. Washington Post Newsweek Interactive. 2002.
344:"Street Light Interference" by Dennis Stacy,
41:A street lamp mounted on a bracket and column
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362:"Electric Discharge Lamps" by John Waymouth
413:"Close encounters of the street lamp kind"
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300:"Light Bulb Luminosity Demonstration"
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129:correlation not implying causation
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207:Pilkington, Mark (29 July 2004).
51:high pressure sodium street light
304:Committee for Skeptical Inquiry
277:Committee for Skeptical Inquiry
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173:High-intensity discharge lamp
411:Morrow, David (1995-08-30).
27:Alleged anomalous phenomenon
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306:. Center For Inquiry
68:or outside building
245:. 19 September 2014
232:The Washington Post
209:"It's electrifying"
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356:Omaha World-Herald
241:2002-03-31 at the
178:Mercury-vapor lamp
168:Gas-discharge lamp
124:Skeptical Inquirer
96:sodium vapor lamps
77:phenomena, author
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263:(November 2008).
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188:Sodium vapor lamp
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283:19 November
158:Deluminator
141:Cecil Adams
121:writing in
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194:References
85:Proponents
75:paranormal
365:MIT Press
113:Reception
109:ability.
452:Forteana
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368:(1971)
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