<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">moiré effect</topic></authority><related type="broader"><topic>optical illusion</topic></related><variant type="other"><topic>effect, moiré</topic></variant> <note xml:lang="en"><![CDATA[ Visual phenomena derived from the French word for 'watered' that is produced when a set of straight or curved lines spaced equally apart is superimposed onto another set at a particular angle, resulting in a distinct geometrical design; used to represent and identify fluid flow, wave motion, and optic and magnetic field patterns and flows. ]]></note></mads>