Phosphorescent Path and Step Markers as a No-Power Light Source: A Charge-and-Decay Calculation and a Disproof, With One Narrow Survival

Disproof: no phosphor class survives a winter night or is above 3 mcd/m2 at winter 2 a.m.; only premium strontium aluminate after a summer charge (12.38 h) survives a summer night. Human problem: People trust glow markers to keep paths and steps safe all night; if they decay below detection before 2 a.m., falls happen in the dark they were meant to prevent.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-10
DOI
https://doi.org/10.5281/zenodo.24113284
Primary Topic
Luminescence Properties of Advanced Materials
Type
article
Field-Weighted Citation Impact
0.00
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article

Phosphorescent Path and Step Markers as a No-Power Light Source: A Charge-and-Decay Calculation and a Disproof, With One Narrow Survival

William Alexander Aldred
Zenodo (CERN European Organization for Nuclear Research)
Luminescence Properties of Advanced Materials
article

Phosphorescent Path and Step Markers as a No-Power Light Source: A Charge-and-Decay Calculation and a Disproof, With One Narrow Survival

William Alexander Aldred
article en

Abstract

Disproof: no phosphor class survives a winter night or is above 3 mcd/m2 at winter 2 a.m.; only premium strontium aluminate after a summer charge (12.38 h) survives a summer night. Human problem: People trust glow markers to keep paths and steps safe all night; if they decay below detection before 2 a.m., falls happen in the dark they were meant to prevent.

Zenodo (CERN European Organization for Nuclear Research)
Luminescence Properties of Advanced Materials
DOIOpen Access PDFOpenAlex
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Phosphorescent Path and Step Markers as a No-Power Light Source: A Charge-and-Decay Calculation and a Disproof, With One Narrow Survival — William Alexander Aldred · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS