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REF-0736Source onlineBlueprint rev 01

Nuclear energy from promise to reactor

A vivid flat-vector explainer turns a polarizing energy debate into history, mechanism, and a present-day choice.

Maker Kurzgesagt – In a NutshellOriginal post ↗
Cut timeline · 6 shots04:44
00:0001:0002:0003:0004:00

Field notes / why it works

The first frame splits nuclear power into dark and bright imagined outcomes while narration asks the central question by 0:02.6. Fifty-one internal graphic changes carry a low-cut 4:43 explanation from history to reactor mechanics, with the three practical selection criteria at 2:02–2:05 matching the strongest replay peak. A system diagram at 2:11 and particle sequence at 2:15–2:48 make the causal process visible before the film returns to present-day tradeoffs.

01

Plate 01 / The format in one breath

An opening question acknowledges that the subject is confusing while a split picture embodies two opposing views. The film then travels from a vivid historical promise through a practical reversal, pauses at a simple mechanical explanation, and ends with a present day choice and a next episode invitation.

Why it works

  • The viewer knows the question by 0:02.6, while the first frame's dark versus bright split makes the dispute legible without a label.
  • A long setup earns a concrete answer: at 2:02–2:06 three large criteria appear, the video's strongest replay peak, followed by a reactor diagram at 2:11.
  • It changes visual scale as the idea changes: world map at 1:38–1:45, machinery at 1:55–2:11, atom animation at 2:15–2:48, then a comparison chart at 3:49–4:15.
02

Plate 02 / Format card

Reference
Platform · aspect · lengthYouTube · 1280×720, 16:9, 25 fps · 4:43.6
PaceDetector: 6 long shots, 5 certain cuts plus 2 uncertain, or 1.1–1.5 cuts/min. More useful animation measure: 51 internal step changes, 11.8 picture changes/min total; detector mean shot 47.3 s.
Script744 spoken words · 158 wpm across runtime, 189 wpm while speaking · 50 sentences averaging 14.9 words · 7 questions · 24 number mentions.
VoiceOne low register adult narrator; precise, curious, assured, lightly playful.
On screenEssentially 100% custom flat vector animation: split worlds, timeline, characters, map, machine cutaways, atom diagrams and charts. No live presenter.
CaptionsNo running subtitles. Large uppercase chapter and keyword labels appear only where the graphic needs them.
SoundContinuous tonal bed measured around −24.2 dBFS between words; voice forward; 134 BPM is a low confidence tempo estimate. −13.1 LUFS integrated, −2.3 dBFS true peak.
StructureEight teaching beats; process answer around 2:06–3:08, present day synthesis at 3:48, next installment CTA at 4:37.

Pro / 13 plates + recipe

The first plates are open. The full dissection is Pro.

Get the timed shots, type and sound specs, and the runnable recipe.

Open the full blueprint
  1. Plate 03 / The hook, frame by frame (first 3 seconds)Pro
  2. Plate 04 / Structure (beat sheet)Pro
  3. Plate 05 / Shot grammarPro
  4. Plate 06 / Visual style guidePro
  5. Plate 07 / Voice and deliveryPro
  6. Plate 08 / Sound designPro
  7. Plate 09 / PackagingPro
  8. Plate 10 / Script templatePro
  9. Plate 11 / Production planPro
  10. Plate 12 / PromptsPro
  11. Plate 13 / Edit recipePro
  12. Plate 14 / QA checklistPro
  13. Plate 15 / Make it yoursPro
  14. Recipe / runnable promptPro