{
  "title": "Shadow Window",
  "source_id": "S5-SHADOW-WINDOW-01",
  "creator": "SubjectNest by NeuroForgeIO Pty Ltd, created with Codex assistance",
  "created_on": "2026-09-30",
  "type": "original computer-created ideal point-source teaching model",
  "documented_author_purpose": "Make straight-path blocking visible so learners can choose a shadow question or design and distinguish a prediction/model from an actual lamp observation.",
  "units": "arbitrary model units, not centimetres or an actual room/body instruction",
  "source": [
    0,
    0
  ],
  "bar_height": 2,
  "models": {
    "ordinary": {
      "bar_x": 4,
      "screen_x": 8,
      "ideal_shadow_height": 4
    },
    "ordinary_changed": {
      "bar_x": 2,
      "screen_x": 8,
      "ideal_shadow_height": 8
    },
    "fresh_c": {
      "bar_x": 2,
      "screen_x": 6,
      "ideal_shadow_height": 6
    },
    "fresh_d_before": {
      "bar_x": 3,
      "screen_x": 9,
      "ideal_shadow_height": 6
    },
    "fresh_d_proposed": {
      "bar_x": 2,
      "screen_x": 6,
      "ideal_shadow_height": 6
    }
  },
  "actual_trials": [],
  "actual_audience_responses": [],
  "local_apparatus_clearance": [],
  "model_is_actual_lamp_measurement": false,
  "actual_lamp_note": "An extended light source, ambient light, alignment and unclear edges can alter actual observations; ideal projections are not supplied trial data."
}