{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.flash","code":"thing-flash","url":"https://ver.cy/models/thing/flash/","name":"flash","alternateNames":["flicker","spark","glint","gleam","gleaming","glimmer","glitter","sparkle","coruscation","heat flash","lightning","heat lightning"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Activities and processes","entryKind":"noun.event","plane":"ACT","domain":["ACT.EVT"],"industry":[],"navPath":"","tags":[],"facets":{"substance":"activity","origin":"conceptual","agency":"inert","mobility":"not-applicable","scale":"not-applicable","affordances":["observable"]}},"whatItIs":"A sudden, brief and intense burst of radiant energy, especially light, such as a lightning flash, a camera flash, a muzzle flash, the glint of light on a surface, a spark, or a flicker, gleam or glimmer of lesser intensity; flashes are studied in optics and meteorology, produced by devices for photography and signalling, and can be hazards to vision or triggers for photosensitive conditions.","purpose":"Let an agent explain flashes of light and related phenomena, describe how flashes are produced and used in photography and signalling, relay safety guidance on flash hazards, and separate other senses of flash.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Suddenness","Brevity","Intensity","Varied sources"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a flash is.","layers":[{"id":"phenomenon","name":"Phenomenon","description":"Phenomenon and sources.","findings":[{"id":"phenomenon-finding","name":"Phenomenon","description":"Phenomenon.","questions":[{"text":"What makes a flash, and how do lightning, sparks, glints and artificial flashes produce brief intense light?","kind":"definition"},{"text":"Is a flash of light, or another sense such as flash memory, meant?","kind":"boundary"}]}]},{"id":"perception","name":"Perception","description":"Perception of flashes.","findings":[{"id":"perception-finding","name":"Perception","description":"Perception.","questions":[{"text":"How does the eye respond to flashes, and what are afterimages and flash blindness?","kind":"definition"},{"text":"Which entry fits vision?","kind":"action"}]}]}]},{"id":"use","name":"Use","description":"Flashes in practice.","layers":[{"id":"photography","name":"Photography","description":"Flash photography.","findings":[{"id":"photography-finding","name":"Photography","description":"Photography.","questions":[{"text":"How are camera and studio flashes used, synchronised and diffused?","kind":"action"},{"text":"Which entry fits photographic lighting?","kind":"action"}]}]},{"id":"signals","name":"Signals","description":"Signalling.","findings":[{"id":"signals-finding","name":"Signals","description":"Signalling.","questions":[{"text":"How are flashes used in beacons, emergency signals and lighthouses?","kind":"provenance"},{"text":"Which entry fits sea marks?","kind":"action"}]}]}]},{"id":"safety","name":"Safety","description":"Flash hazards.","layers":[{"id":"photosensitivity","name":"Photosensitivity","description":"Photosensitive epilepsy.","findings":[{"id":"photosensitivity-finding","name":"Photosensitivity","description":"Photosensitivity.","questions":[{"text":"What guidelines limit flashing content in broadcast and web media to protect photosensitive people?","kind":"provenance"},{"text":"Is someone having a seizure now, needing emergency help?","kind":"boundary"}]}]},{"id":"eyes","name":"Eyes","description":"Eye safety.","findings":[{"id":"eyes-finding","name":"Eyes","description":"Eye safety.","questions":[{"text":"Which flashes can damage vision, and how are eyes protected?","kind":"provenance"},{"text":"Which entry fits eye protection?","kind":"action"}]}]}]},{"id":"learn","name":"Learn","description":"Language and teaching.","layers":[{"id":"language","name":"Language","description":"Words for flashes.","findings":[{"id":"language-finding","name":"Language","description":"Language.","questions":[{"text":"How do flash, flicker, spark, glint, gleam and glimmer differ in meaning?","kind":"definition"},{"text":"How are they translated?","kind":"action"}]}]},{"id":"science","name":"Science","description":"Flashes in science.","findings":[{"id":"science-finding","name":"Science","description":"Science.","questions":[{"text":"How are flashes studied in astronomy, meteorology and high-speed imaging?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain kinds of flash, from lightning to camera flash and sparks, and how they are produced.","Warn viewers about flashing content that meets applicable accessibility and safety requirements, while recognizing that a warning alone does not make exposure safe.","Note when another sense of flash, such as flash memory or a flood, is meant instead."],"mustNot":["Produce or show rapid flashing likely to trigger seizures, even with a warning.","Aim a bright flash at drivers, pilots or people's eyes at close range.","Use camera flash on animals or in places where it is forbidden, such as near sensitive artworks.","Treat a muzzle flash or spark in a report as confirmed gunfire or fire without other evidence."],"requiresHuman":["Using flash photography on infants or people who have not agreed."]},"ethics":{"considerations":["Flashing light can cause seizures in people with photosensitive epilepsy.","Sudden flashes blind drivers and pilots for vital seconds."],"affectedParties":["People with photosensitive epilepsy","Drivers and pilots","Animals"]},"owners":{"steward":"Nobody owns the phenomenon; the person who makes a flash answers for its use.","roles":[],"masterSystems":[]},"relations":[{"target":"oewn-07298313-n","type":"parent","note":"registry parent class"},{"target":"event","type":"related","note":"category"},{"target":"thunderstorm","type":"related","note":"lightning flashes"},{"target":"incidence","type":"related","note":"light striking surfaces"},{"target":"photograph","type":"related","note":"flash photography"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.flash","Open English WordNet: oewn-07426692-n"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Sudden brief intense light","Natural or artificial","A steady glow is not a flash; flash as memory or software is another sense","A momentary bright light."]},"capabilities":{"applicability":"required","items":["explain the phenomenon","describe production and uses","relay safety guidance","separate other senses"]},"hazards":{"applicability":"required","items":["Seizures in photosensitive people","Temporary flash blindness","Confusing senses"]},"interfaces":{"applicability":"required","items":["Photosensitive epilepsy guidelines for broadcast and web content","Photographic flash safety standards","Signalling conventions"]},"context":{"applicability":"required","items":["Brief intense bursts of light.","lightning flashes","camera and studio flashes","signal flashes and beacons","glints, sparks and flickers","flashes in astronomy such as transients"]}},"sources":[{"title":"Open English WordNet 2024, synset oewn-07426692-n","url":"https://en-word.net/id/oewn-07426692-n","note":"sense and gloss of the concept"},{"title":"Wiktionary: flash","url":"https://en.wiktionary.org/wiki/flash","note":"word senses and usage"}],"openQuestions":["Should lightning be a separate entry?","How should photosensitivity guidelines be linked?","How should photography resources be linked?"],"resources":{"spec":"/models/things/publications/thing-flash/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-flash/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T00:43:31Z","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":"not-applicable","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 2026-10-08T18:54:35+00:00: completeness 1.00; sense: WordNet gloss; 2 live sources; review by codex: pass","interaction.properties":"Plane ACT: no invented physical properties."},"score":1.0}}