It often takes place at night, when you’re alone, apprehensive, and the air is slightly chilled: perhaps you’re walking home, and as your step quickens, you can’t help but want to glance over your shoulder… just in case. As you round the corner, you head down the darkest stretch of sidewalk on your journey, anticipating the worst. Just a few more blocks, you tell yourself.

As if on cue, the primary streetlight that shields you from a blanket of darkness blacks out. Now you’re more terrified than ever, and the loud noise of something moving behind you causes you, almost without thinking, to break into a run. As you jog along several more streetlights black out as you approach them. What the hell is going on?

For years, many individuals have claimed that under similar circumstances individuals have wandered alone, particularly at night, along streets where this sort of scenario occurs. Is there really some biological function of the mind–or perhaps even a strange extension of the inner-self–which can cause streetlights to black out in such a curious way? According to Hillary Evans, prolific author and divulger of all things dark and strange, this is exactly what is occurring… and more individuals remain capable of the odd gift of SLI (Street Light Interference) than probably are aware.

In SLIders: The Enigma of Streelight Interference, Evans details a worldwide phenomenon for which there are essentially no prominent consistencies among personality types or physical characteristics to which parallels may be draw, yet which seems to occur regardless. Exploring everything from bizarre varieties within the condition itself, to the curiously unique variations in which the phenomenon occurs (including length of a streetlight outage, as well as potential projections if it is indeed a manifestation occurring from within individuals), to even altered states of consciousness that may affect the phenomenon. Evans even makes allusions to SLI phenomenon occurring when the mind is in a state of distress, similar to one dropping things or becoming clumsier while in a flustered state. At one point, Evans even recalls a psychologist from Great Falls, Montana, who described how lights he passed beneath while driving home from his girlfriend’s home would black out, almost invariably, coinciding with evenings when the couple had engaged in passionate arousal. Could the vast variety of differing emotional and mental states available to the human mind literally cause such interactions to occur, or is it simply a coincidence?

As a writer and avid reader of books that do tend to fall on the more technical side of the proverbial fence, one welcoming quality about Evan’s book that I found in particular is the almost “comfort-reading” it provides through the recollection of a variety of collected accounts and stories throughout the text. In doing so, Evans evokes a story-telling element somewhat reminiscent of the styles of greats like Clark, Steiger and Sanderson; but with his diverse experience and long-held interests in Fortean subjects, Evan’s own unique style emerges with vibrant character and the familiar contemplative nature of his previous works. Though managing to capture the reader’s mind with his tales, there remains very much to be explored with regard to SLI phenomenon, to which Evans at one point pauses to describe as “a rogue force, a loose cannon, neither understood or controlled.”

Perhaps this is indeed the case, and to attempt to tame or understand the skittish nature of the SLI mystery would be like hoping to capture one’s thoughts in a jar. If nothing else, the strange phenomenon that is Street Light Interference will now be brought to a wider audience, thanks to Evans, and many who may have even experienced it themselves over the years, in the absence of knowledge that it happens almost constantly the world over for many, many others, will be freed from having to continue wondering in solitude of thought and action. The mystery of this phenomenon will continue, but the clear analysis Evans brings with the release of SLIders: The Enigma of Streelight Interference places it in the open, aimed at a promising future of study and understanding by future generations.

Image by Justin Henry via Flickr.

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Author: Micah Hanks

Micah Hanks is a writer, researcher, and podcaster. His interests include areas of history, science, archaeology, philosophy, and the study of anomalous phenomena in nature. He can be reached at info@micahhanks.com.

2 Replies to “Book Review: SLIders: The Enigma of Streelight Interference

  1. Did she attempt to study the (possible) correlations between SLI and other types of paranormal phenomena?

    For instance, do SLIders also tend to report other types of weird experiences like poltergeist, OBEs, sleep paralysis, etc?

  2. Can’t answer the first, haven’t yet read his book. But, as somebody who has experienced this to a noticeable degree, I can state that I personally have never had any paranormal experiences. I also don’t feel SLI to be in the paranormal category. Here’s a personal recap:

    When I walk (or drive) under lit streetlights, there’s an unusually good chance that one of them will blink out as I come to close proximity. I remember as a kid of 4-6 yrs old (mid 70s) first noticing this as we drove on a highway at night, and I’d stick my head into the back of the car and look at the lights flow by in a steady progression. Every few minutes one of them would blink out as we passed underneath. I remember this clearly, though I just filed it away as a peculiar little detail which would be repeated as I grew older.

    In early 1990’s as I started an office job, I’d walk across a well lit bridge twice a day. During wintertime the lights would be on both in the morning and the evening, and within those 10 times I’d pass a specific light during each week, it would blink out 3-4 times as I walked underneath it. This made me finally aware of the fact that streetlights (no other lights are susceptible to this) occasionally have a problem with me.

    When I moved from Europe to the US in 2000, and got married, I haven’t come across another ‘sensitive’ light like that, but they still blink out on a regular basis. My wife made fun of it when I told her a few years back, and I’d sometimes point out lights going out as we drove underneath them. Earlier this year in downtown Asheville we were walking to our car under a solitary streetlight in a dark little alley, she too was won over when it blinked out as we approached it: “Don’t do that.”

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