{
 "id": "source/nasa-glenn-gliding",
 "class": "source",
 "slug": "nasa-glenn-gliding",
 "label": {
  "ar": "الانزلاق وقوى الطيران — ناسا غلين",
  "en": "Gliding and flight forces — NASA Glenn",
  "ur": "انزلاق اور پروازی قوتیں — ناسا گلین"
 },
 "summary": {
  "ar": "صفحات تعليمية حديثة تشرح الطائرة الشراعية والرفع والمقاومة والوزن وزاوية الانزلاق؛ للمقارنة التفسيرية لا لإعادة بناء جهاز ابن فرناس.",
  "en": "Modern educational pages explaining gliders, lift, drag, weight and glide angle; explanatory comparison, not reconstruction of Ibn Firnas's apparatus.",
  "ur": "جدید تعلیمی صفحات میں شراعی جہاز، اٹھان، مزاحمت، وزن اور زاویۂ انزلاق؛ وضاحتی تقابل، ابن فرناس کے آلے کی تعمیرِ نو نہیں۔"
 },
 "stub": false,
 "wings": [],
 "regions": [],
 "periods": [],
 "tags": [],
 "aliases": [],
 "themes": [],
 "data": {
  "kind": "secondary",
  "type": "website",
  "title": "Beginner's Guide to Aeronautics: Glider, Forces on an Airplane, Vector Balance of Forces for a Glider, Glide Angle",
  "author": [
   {
    "family": "Benson",
    "given": "Tom"
   }
  ],
  "publisher": "NASA Glenn Research Center",
  "language": "en",
  "URL": "https://www.grc.nasa.gov/www/k-12/VirtualAero/BottleRocket/airplane/glider.html",
  "open_access": true,
  "reliability_note": "Research agent directly read the public NASA Glenn guide on7November2026: glider.html, forces.html, glidvec.html and glidang.html under the same directory. Gives unpowered-flight definitions and steady-glide geometry. Cite page titles as anchors. No issue date invented. Not a historical source about Firnas; no analogy used to diagnose his missing apparatus or suggest a flight experiment.",
  "status": {
   "review": "published",
   "generated_by": "github-copilot"
  },
  "provenance": {
   "generated_by": "github-copilot",
   "model": "unknown",
   "run": "inventions-depth-20261107",
   "source": "Research agent's direct reading of the four NASA public pages, compiled by parent; no physical experiment."
  }
 },
 "prose": {},
 "degree": 0,
 "contemporaries": [],
 "updated": "2026-11-07",
 "connections": [],
 "related": [],
 "license": {
  "prose": "CC BY-SA 4.0",
  "data": "CC0 1.0"
 }
}