Phosphorescent Path and Step Markers as a No-Power Light Source: A Charge-and-Decay Calculation and a Disproof, With One Narrow Survival
Year: 2026
Type: article
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.
Author: Aldred, William Alexander
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7225752525
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