{
  "version": "1.2.0",
  "chapters": [
    {
      "startTime": 14,
      "title": "Introducing Joseph Louis Lagrange"
    },
    {
      "startTime": 145,
      "title": "Lagrange Replaces Forces with Energy"
    },
    {
      "startTime": 197,
      "title": "Lagrange Multipliers for Optimization"
    },
    {
      "startTime": 312,
      "title": "Lagrange's Masterwork: Pure Algebra"
    }
  ]
}