{
  "id": 6571272,
  "title": "Show HN: What if the speed of light was 5 km/h?",
  "url": "https://urgent.news/2026/09/10/show-hn-what-if-the-speed-of-light-was-5-km-h-6571272",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-10T01:58:00.000Z",
  "source": {
    "name": "Hacker News Best",
    "slug": "hacker-news-best",
    "url": "https://rivendell.dmitrybrant.com/relativity/"
  },
  "original_language": "en",
  "account": null,
  "summary": "I've always wanted to make a visualization where the speed of light was scaled down to human speeds, so that we could intuit relativistic effects with everyday objects. Here is the first version of it! Comments URL: https://news.ycombinator.com/item?id=49637385 Points: 337 # Comments: 146",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "Hacker News",
        "title": "Show HN: What if the speed of light was 5 km/h?",
        "url": "https://urgent.news/2026/09/10/show-hn-what-if-the-speed-of-light-was-5-km-h",
        "published": "2026-09-10T01:58:00.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}