Artificial circumzenithal and circumhorizontal arcs
Markus Selmke, Sarah Selmke
TL;DR
This paper demonstrates how a simple water glass experiment can effectively replicate atmospheric optical phenomena like circumzenithal and circumhorizontal halos, providing a practical educational demonstration.
Contribution
It introduces a novel analogy using a water glass setup to reproduce and study atmospheric ice halo displays.
Findings
Water glass experiment accurately mimics natural halos
Provides a practical demonstration for atmospheric optics
Enhances educational tools for atmospheric phenomena
Abstract
We revisit a water glass experiment often used to demonstrate a rainbow. On a closer look, it also turns out to be a rather close analogy of a different kind of atmospheric optics phenomenon altogether: The geometry may be used to faithfully reproduce the circumzenithal and the circumhorizontal halos, providing a missing practical demonstration experiment for those beautiful and common natural ice halo displays.
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