{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.reflection","code":"thing-reflection","url":"https://ver.cy/models/thing/reflection/","name":"reflection","alternateNames":["flare","interreflection","reflexion","virtual image","zodiacal light"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"noun.phenomenon","plane":"PHY","domain":["PHY.FLW"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"energy","origin":"natural","agency":"inert","mobility":"not-applicable","scale":"not-applicable","affordances":["observable"]}},"whatItIs":"The phenomenon of a propagating wave, such as light or sound, being thrown back from a surface; governed by the law that the angle of incidence equals the angle of reflection for specular reflection.","purpose":"Let an agent handle reflection by wave type, surface, law, applications and hazards such as glare.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Wave returns from a surface","Angle of incidence equals angle of reflection","Depends on surface and material","Occurs for light, sound and radio"],"structure":{"bundles":[{"id":"physics","name":"Physics","description":"Law of reflection.","layers":[{"id":"law","name":"Law","description":"Angles.","findings":[{"id":"law-finding","name":"Law","description":"Law of reflection.","questions":[{"text":"What angle will the reflected ray make?","kind":"measurement"},{"text":"Is the reflection specular or diffuse?","kind":"definition"}]}]},{"id":"tir","name":"Total internal reflection","description":"Critical angle.","findings":[{"id":"tir-finding","name":"Total internal reflection","description":"Total internal reflection.","questions":[{"text":"Will total internal reflection occur here?","kind":"boundary"},{"text":"What is the critical angle?","kind":"measurement"}]}]}]},{"id":"surfaces","name":"Surfaces","description":"Materials.","layers":[{"id":"reflectance","name":"Reflectance","description":"Values.","findings":[{"id":"reflectance-finding","name":"Reflectance","description":"Reflectance.","questions":[{"text":"What is the reflectance of this surface?","kind":"measurement"},{"text":"At which wavelength?","kind":"definition"}]}]},{"id":"coatings","name":"Coatings","description":"Anti-reflection.","findings":[{"id":"coatings-finding","name":"Coatings","description":"Coatings.","questions":[{"text":"Would an anti-reflective coating help?","kind":"action"},{"text":"How does it work?","kind":"definition"}]}]}]},{"id":"safety","name":"Safety","description":"Glare and lasers.","layers":[{"id":"glare","name":"Glare","description":"Visual comfort.","findings":[{"id":"glare-finding","name":"Glare","description":"Glare.","questions":[{"text":"Is glare creating a safety risk here?","kind":"boundary"},{"text":"How can it be reduced?","kind":"action"}]}]},{"id":"lasers","name":"Lasers","description":"Eye safety.","findings":[{"id":"lasers-finding","name":"Lasers","description":"Laser reflections.","questions":[{"text":"Could laser reflections reach eyes?","kind":"boundary"},{"text":"Which laser safety rules apply?","kind":"provenance"}]}]}]},{"id":"acoustics","name":"Acoustics","description":"Sound.","layers":[{"id":"echo","name":"Echo","description":"Rooms.","findings":[{"id":"echo-finding","name":"Echo","description":"Echoes.","questions":[{"text":"How does sound reflection affect this room?","kind":"definition"},{"text":"What is the reverberation time?","kind":"measurement"}]}]},{"id":"senses","name":"Senses","description":"Disambiguation.","findings":[{"id":"senses-finding","name":"Senses","description":"Other senses.","questions":[{"text":"Is reflection as careful thought or a mathematical reflection meant?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain and compute reflection geometry for light or sound in a stated setting.","Assess glare and acoustic reflection in a design from measured or modelled data."],"mustNot":["Design or site a reflective surface so that it throws glare onto roads, flight paths or homes.","Advise on curved or concentrating reflective surfaces without accounting for focused heat.","Give guidance on directing or reflecting a laser beam toward people, vehicles or aircraft.","Dismiss reported glare or echo complaints without measurement."],"requiresHuman":["Approving a facade, mirror or acoustic treatment that affects neighbours or traffic."]},"ethics":{"considerations":["Glare from buildings and vehicles blinds drivers and pilots and has caused crashes.","Concentrated reflected sunlight has damaged property and injured people."],"affectedParties":["Drivers, pilots and pedestrians","Neighbours of reflective buildings","Building occupants"]},"owners":{"steward":"The owner or designer of the reflecting surface; building authorities set the rules.","roles":[],"masterSystems":[]},"relations":[{"target":"oewn-11439518-n","type":"parent","note":"registry parent class"},{"target":"wave phenomenon","type":"related","note":"category"},{"target":"refraction","type":"related","note":"phenomenon"},{"target":"mirror image","type":"related","note":"result"},{"target":"reflection (thought)","type":"related","note":"another sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.reflection","Open English WordNet: oewn-11523478-n"]},"properties":{"applicability":"required","items":["Angle of reflection:  degrees - Measure the reflected propagation direction relative to the surface normal for a specified incident wave.","Power reflectance:  dimensionless - Measure reflected power divided by incident power under specified wavelength, angle and polarisation conditions.","Reflection phase shift:  radians - Measure the phase difference between reflected and incident waves at a defined reference surface."]},"recognition":{"applicability":"required","items":["Mirror images and virtual images","Specular versus diffuse","Reflection as thought is a different sense","Mirror images, glints, echoes and bright surfaces."]},"capabilities":{"applicability":"required","items":["explain the law of reflection","distinguish specular and diffuse reflection","reduce glare and echoes","use reflectance values in design"]},"hazards":{"applicability":"required","items":["Glare causing accidents","Concentrated sunlight from curved glass","Laser reflections harming eyes"]},"interfaces":{"applicability":"required","items":["Lighting design standards on glare","Building acoustics standards"]},"context":{"applicability":"required","items":["Mirrors, optics, acoustics, radar and seeing objects.","specular reflection","diffuse reflection","total internal reflection","acoustic reflection and echoes","interreflection"]}},"sources":[{"title":"Open English WordNet 2024, synset oewn-11523478-n","url":"https://en-word.net/id/oewn-11523478-n","note":"sense and gloss of the concept"},{"title":"Wiktionary: reflection","url":"https://en.wiktionary.org/wiki/reflection","note":"word senses and usage"}],"openQuestions":["Should reflection types be separate entries?","How should reflectance data be linked?","How should the thought sense be split off?"],"resources":{"spec":"/models/things/publications/thing-reflection/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-reflection/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T09:42:29Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:35+00:00: completeness 1.00; sense: WordNet gloss; 2 live sources; review by codex: pass"},"score":1.0}}