{"id":2173,"slug":"kanizsa-contour-illusion","name":"Kanizsa contour illusion","type":"concept","created_at":"2026-08-08T04:45:59.525134+00:00","hidden":0,"aliases":[],"episodes":[{"id":"2058db0f-11be-4935-93fe-309ee6d2ede7","slug":"s09e25-cats-writing-on-the-internet-the-moon","subject":"s09e25: Cats; Writing on the Internet; the Moon; OpenDoc and Componentized Software","title":"Cats; Writing on the Internet; the Moon; OpenDoc and Componentized Software","publish_date":"2021-05-05T22:28:22.662955+00:00","year":2021,"month":5,"season":9,"episode":25,"episode_label":"s09e25","canonical_url":"https://newsletter.danhon.com/archive/s09e25-cats-writing-on-the-internet-the-moon/","is_premium":0,"word_count":2594,"context":" … science\n[2]\npublished paper\n[3]\non cats being able to perceive the <mark>Kanizsa contour illusion</mark>, which creates square contours through negative space.\n\nCaught my attention because:\nCognitive psychology … ","reading_minutes":13}]}