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Entry — “Carbon, Seen Again” AI Content Challenge (video)

Same Element, Different Faces

From the charcoal and CO₂ people picture when they hear “carbon” to carbon-fiber bicycles, aircraft wings and hydrogen tanks: one element, different faces.

People and scenes are AI-generated.

Watch on Instagram ↗
Length
39s
Format
9:16
Generate
Google Gemini (video · image), Google AI Studio TTS (Kore)
Edit
Claude, Python, FFmpeg
Date

In short

  • VideoGenerated the charcoal scene with Gemini video, extended it into carbon fiber, a bicycle and a wing, and used ranges from the two results (10 s and 20 s)
  • ImageA new hydrogen-tank cutaway from Gemini image, with a zoom and labels (700 bar hydrogen storage, carbon-fiber layers, plastic liner)
  • NarrationGoogle AI Studio speech · voice Kore · a nine-line script
  • EditCut order, transitions, caption animation and pauses done with Claude in Python and FFmpeg; music and effects synthesized in code
  • ReviewChecked specs and caption sync, the carbon vs CO₂ distinction, sources for figures and spelling myself

Scenes

  • Scene 1 · Charcoal: What comes to mind when you hear “carbon”? Charcoal? Smog? CO₂?
    Scene 1 · CharcoalWhat comes to mind when you hear “carbon”? Charcoal? Smog? CO₂?
  • Scene 2 · C ≠ CO₂: CO₂ is a gas of carbon and oxygen. Carbon itself is a material that builds the future.
    Scene 2 · C ≠ CO₂CO₂ is a gas of carbon and oxygen. Carbon itself is a material that builds the future.
  • Scene 3 · Carbon fiber: Carbon fiber: thread made of carbon, about four times lighter and ten times stronger than steel.
    Scene 3 · Carbon fiberCarbon fiber: thread made of carbon, about four times lighter and ten times stronger than steel.
  • Scene 4 · Hydrogen tank: Hydrogen car fuel tanks are wrapped tight in carbon fiber too.
    Scene 4 · Hydrogen tankHydrogen car fuel tanks are wrapped tight in carbon fiber too.
  • Scene 5 · Ending: Same element, different faces. Look at carbon again.
    Scene 5 · EndingSame element, different faces. Look at carbon again.

Pipeline

  1. PlanSame message as my image-category entry, made for the video category
  2. Generate videoGemini video · 9:16 · scene 1 (charcoal) extended into scene 2 (carbon fiber, bicycle, wing)
  3. Generate imageGemini image · hydrogen-tank cutaway; the ending background reuses my image entry's original
  4. NarrationAI Studio speech · Kore · documentary-narrator direction
  5. EditPython · FFmpeg · 1080×1920 upscale, trims, caption animation
  6. SoundMusic and effects synthesized in code; no stock audio
  7. Review & exportFacts, sources and spelling checked · 1080×1920 MP4

Prompts

Scene 1 — charcoalGemini video · vertical 9:16
Vertical 9:16, photorealistic, no text. Extreme close-up of a dull black lump of charcoal on dark gray dusty ground, cold blue-gray light. Slow push-in, a faint wisp of smoke drifts past. Moody, matte, dusty. No people, no logos.
Scene 2 — carbon fiber, bicycle, wingGemini video · extended from scene 1
Vertical 9:16, photorealistic, no text. Macro shot of glossy black carbon-fiber twill weave catching warm studio light; the camera slowly pulls back to reveal a sleek carbon-fiber racing bicycle frame and a carbon-fiber aircraft wing section on a bright warm white background. Clean product-advertising style. No people, no logos.
Hydrogen tank cutawayGemini image · vertical 9:16
Vertical 9:16, photorealistic studio product shot, no text, no logos. A hydrogen fuel tank for a fuel-cell car: a long cylinder with rounded dome ends and a metal valve at one end, standing upright. Its outer shell is black carbon fiber wound in many tight layers of helical and hoop patterns, with a glossy resin finish. A clean cutaway on one side reveals the layers: a thick black carbon-fiber composite wall wrapped around a white high-density plastic inner liner. Warm studio light from the right, soft gray-to-warm-white background like a premium product ad, shallow depth of field, high detail.
Narration direction and scriptGoogle AI Studio speech · Kore
다큐멘터리 내레이터처럼 밝고 신뢰감 있게, 또박또박 조금 천천히 읽어 주세요. 줄마다 짧게 쉬어 주세요.

'탄소' 하면, 뭐가 떠오르세요?
검은 숯? 매연? 이산화탄소?
이산화탄소는 탄소와 산소가 만난 기체예요.
탄소 그 자체는, 미래를 만드는 소재가 됩니다.
탄소로 만든 실, 탄소섬유. 철보다 약 네 배 가볍고, 열 배 강하죠.
그래서 자전거와 비행기에 쓰이고,
수소차 연료탱크도 탄소섬유로 단단하게 감쌉니다.
같은 원소, 다른 얼굴.
탄소, 다시 보세요.

Figures and sources

  • “About 4× lighter and about 10× stronger than steel” — YTN, 2019-08-20 (citing Hyosung Advanced Materials), written with “about”
  • 700 bar and the Type 4 tank build (carbon fiber wound over a plastic liner) — Electronic Times, 2018-07-05
  • Carbon (C) and carbon dioxide (CO₂) shown as separate things on screen

Outside sources

  • Fonts: Black Han Sans, Noto Sans KR (SIL Open Font License 1.1)
  • Music and effects: synthesized in code, no stock audio
  • No stock footage, photos, logos or real people