Tokamak fusion reactor opens up in a browser lab
35.8K views · 306 likes · 171 saves · 26 reposts · Posted Sep 27, 2026 · 0:43 · Explainers
OUR NOTEA screen recording of an interactive browser exhibit titled 'A star in a bottle', where a tokamak reactor splits open to reveal pink plasma, labeled parts and a turbine chain as the plasma is heated toward 150 million degrees.
I asked Claude Opus 5.5 to explain how a fusion reactor works by building one you can take apart in your browser.
Drag the plasma from 15 million °C, the heat of the Sun's core, to 150 million and watch a city light up.
https://airsup.ai/labTHE PROMPT
Partial prompt — the creator shared only part of it.
I asked Claude Opus 5.5 to explain how a fusion reactor works by building one you can take apart in your browser.
Drag the plasma from 15 million °C, the heat of the Sun's core, to 150 million and watch a city light up.
https://airsup.ai/labMAKE ONE LIKE THIS
Three steps, using what the creators in this index used.- 1 · Copy the prompt
Use the prompt above as your starting point, then change the subject and the style.
HOW OTHERS WROTE THEIRS → - 2 · Direct it like an editor
- Ask for one self-contained HTML file on a fixed 1920×1080 stage.
- Link this video as the reference for pacing and style.
- Send two or three rounds of specific notes.
- 3 · Render it to MP4
A short piece like this can be screen-recorded, or captured frame by frame for exact timing.
TURN AN HTML ANIMATION INTO AN MP4 →
The creator didn't name their tools. Most videos like this are HTML, canvas or SVG animation written by Claude and screen-recorded or rendered to MP4 — how that works.
Indexed Sep 30, 2026, 2:01 PM · Views as of indexing. Video and post © their creator.