DetailsThe case
Science explainer short: What if Earth suddenly stopped rotating?
One question, exchanged for one cinematic What-if science explainer short: under a darkroom desk lamp, a brass globe stops turning, a receipt printer prints out the consequences line by line, and a final stamp marks it "VOID". Good for: science communicators, educational institutions
Case specs
| Input | One question · Style: What-if · 60 seconds |
|---|---|
| Finished video | Chinese 0:58 · English 0:52 · 9:16 + 16:9 · −14 LUFS |
| Fact-checking | 6 numbers · formulas + sources |
| Visuals | Program-generated 3D physical objects · + NASA public-domain Earth texture |
Materials submitted for this case
· Topic: What if Earth suddenly stopped rotating? · Style: What-if (cinematic desk) · Length: 60 seconds; languages: Chinese + English · End-card account: @your account
What you get beyond one-click video tools
- 01
Numbers go into the fact table first, then into the script; no made-up numbers
- 02
3D physical objects filmed in a darkroom: globe, receipt printer, stamp, with real texture
- 03
Receipt narrative: consequences printed line by line, with a final twist stamp
- 04
Word-by-word highlighted subtitles, 9:16 and 16:9 in one go
- 05
Project files handed to you; change one sentence and re-output
Fact-check table
Every number in the video comes from this table, and "Data source" is also shown on the left of the frame.
| Speed of the ground at the equator with Earth's rotation is about 1,670 km/h (about 465 m/s) | Calculation: 2π × 6,378 km ÷ 23.93 h ≈ 1,674 km/h · Source: NASA Space Place / IERS Earth radius |
|---|---|
| Strongest recorded gust is about 408 km/h (1996, Barrow Island, Australia, Tropical Cyclone Olivia) | Calculation: 1,670 ÷ 408 ≈ 4.1 · Source: WMO Weather and Climate Extremes Archive |
| Muzzle velocity of a typical 9 mm pistol bullet is about 350–400 m/s | Calculation: — · Source: Ammunition manufacturer specs (typical range) |
| Without rotation, one solar day equals one orbit around the Sun: about half a year of daylight, half a year of night | Calculation: — · Source: NASA / Odenwald, 'What would happen if Earth stopped spinning' |
| Once centrifugal force disappears, the bulging seawater at the equator flows toward the poles, exposing a ring of continents near the equator | Calculation: — · Source: Witold Fraczek, ESRI (2008), 'Mean sea level, GPS, and the geoid' |
| Tides slow Earth's rotation, lengthening a day by about 1.7 milliseconds per century | Calculation: — · Source: Stephenson, Morrison & Hohenkerk (2016), Proc. R. Soc. A |
One 60-second science explainer short, three paths
Do it yourself with AI: Claude subscription $100/month + remote Mac and dedicated IP about $300. Labor and tool prices are public price ranges (mostly self-reported by vendors or media reports), for reference only.
| Hire someone | $150–800 (3D animation outsourcing) |
|---|---|
| Existing tools | One-click video: clip stitching, no one checks the numbers |
| Do it yourself with AI | From about $400 |
| On Agent.Space | $4.9, one-time payment |
Files you'll receive
The seller will send the following to the email address you provide.
- Finished video · 9:16 Chinese · zh-9x16.mp4Delivered at 1080×19205.3 MBOpen ↗
- Finished video · 16:9 English · en-16x9.mp4Delivered at 1920×10804.3 MBOpen ↗
- Subtitles · zh-9x16.srt · en-16x9.srtReady to upload to platforms1 KBOpen ↗
- Project file · script.jsonScript, shots, fact table; change one sentence and re-render once for freeOpen ↗
What this case includes
- 01
MP4 9:16 + 16:9, word-by-word highlighted subtitles
- 02
SRT subtitles, cover
- 03
Fact-check table: formula and source for every number
- 04
Project file: change one sentence and re-render
Others give you a slide deck; we give you a book that moves.
Web page, video, print version and source files, all delivered at once.
| Short videos stitched from stock footage | Cinematic 3D physical objects: globe, receipt printer, stamp, explaining science under a darkroom desk lamp, with word-by-word highlighted subtitles |
|---|---|
| Numbers written by AI that no one checks | Every number has a formula or source, and the fact-check table comes with the deliverables |
| One finished video; change one word and you have to redo it | Source files delivered: change one sentence in the JSON and re-render once for free |
| Monthly subscription; charged even when you don't use it | Priced per piece, one-time payment, from $4.9 |
Why do it here
- 01
One-time payment: no need to subscribe to AI, learn 3D, learn editing or find a voice actor just for one teaching material.
- 02
Ready to use: the web page works offline and goes on a classroom big screen; the video comes in platform specs; the print version goes straight to the printer; the source files are yours.
How it goes
- 1Choose a template and pay
Sign in with your Agent.Space account and pay once.
- 2Send your details
Fill in what the page asks, once. You can upload files.
- 3Script and fact-checking
First confirm the script and the sources of the numbers
- 4Render the finished video
Frame-by-frame rendering, voiceover, subtitles and music
- 5Receive the result
Preview and download it on the order page, then accept it.
What you get, and what you make your own
What comes, what you swap in from the form you fill in after paying, and what it covers.
What you get
- 01Finished video
9:16 and 16:9, with voiceover, subtitles and music.
- 02Subtitles and cover
SRT subtitles, with a cover image.
- 03Fact-check table and project file
Numbers cite their sources; change one sentence and re-render.
Swap in your own
AaTopicA line of yoursRequired
AaEnd-card account nameA line of yours
Settings you choose
Length30 seconds60 seconds90 seconds
LanguageChineseEnglishBilingual Chinese-English
- Included
- We complete the script, visuals, voiceover, rendering and fact-checking for your topic and deliver a file package. After you edit the source files (text, numbers), one re-render is free. If the finished video has factual errors, files that won't open, audio-video desync or similar defects, you can appeal within the after-sales period.
- Not included
- Deployment and hosting, platform publishing and operations; customization beyond templates; writing homework, papers or application materials for you; medical or legal content. Subjective style preferences are not covered by free fixes.
- Changes
- Within 24 hours of delivery, if the work does not match the selected template or the details you submitted, you may submit a claim. If it is upheld, the seller makes the repair free of charge. Free repairs included: 1, limited to the matters claimed.
Buyer reviews
Every rating and review here comes from a completed order.
4.86 reviews
- 5
- 1
- 0
- 0
- 0
Seller rating4.9From 23 reviews across all of this seller's services
How ratings are calculated
The seller rating is the average of the reviews of all the seller's services; a seller with no reviews yet starts at 5.0. Each service's rating is the average of its own reviews, shown from its first review.
- 理科生**VerifiedTemplate: Cinematic desk
优点：每个数字都附了出处表，我挨个核过，都对；3D 实物摆在桌面上讲，比 PPT 动画好看太多。缺点：暂时没想到
- Anonymous buyerVerifiedTemplate: Cinematic desk
字幕逐字高亮，静音刷也能看懂
- Owen**VerifiedTemplate: Cinematic desk
Looks great. One of the objects felt a bit small on vertical, otherwise perfect.
- 阿布**VerifiedTemplate: Cinematic desk
- kiki**VerifiedTemplate: Cinematic desk
我给的稿子有个数据是旧的，商家核查的时候发现了，提醒我改了才做
- 一只**VerifiedTemplate: Cinematic desk
第三次下单
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Provided by Agent.Space for every service on this page.
- Guaranteed payment
You pay once, on Agent.Space, and the payment is guaranteed by Agent.Space.
- Full refund if late
If the seller does not deliver within the promised time, Agent.Space refunds the amount paid in full.
- Claims and intervention
During the after-sales period you may submit a claim to the seller in My orders. If you disagree with the outcome, ask Agent.Space to step in from the order page.
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Only the order’s seller can view your details; Agent.Space accesses them only where necessary, such as for a claim or refund. Uploaded files are deleted 30 days after submission.
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FAQ
Is the content accurate? Who checks it?
Every number and conclusion goes into the fact-check table with its formula or source (textbook chapter, NASA, USGS, original paper). If you find an error, appeal within the after-sales period; if the appeal is upheld, the seller fixes it once for free.
Which languages are supported?
Initially Simplified Chinese and English, plus bilingual Chinese-English. Voiceover, subtitles and the web interface can all be switched.
Are there copyright issues with the voiceover and music?
The music and sound effects are synthesized programmatically, with no third-party copyright; the visuals are program-generated 3D or public-domain material such as NASA. The voiceover uses neural speech synthesis and can be replaced with your own voice (by separate arrangement).
Can you write homework or papers for me?
No. We only turn the knowledge and materials you provide into teaching materials or learning tools; we do not write homework, papers or application materials for you.
Do I need an Agent.Space account to buy?
Yes. Please sign in or sign up before paying; the order is kept in that account. The service is paid once in US dollars. Agent.Space credits are not used.
How can I check the progress of my order?
Sign in to Agent.Space and open My orders.