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Interactive Black Hole Gravitational Lensing Lab

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Sep 24, 2026

Drag a black hole across a star field and watch the sky warp into arcs — snap everything into alignment and a full Einstein ring closes around it. Built in one prompt then polished overnight by a three-agent workflow: two reviewers ranking issues P0–P2, one fixer resolving them, across three rounds covering 3D lighting, camera motion, and a final design-director sign-off. Total runtime: 5 hours 28 minutes, $90 at API prices. The science communication design is sharp enough that the physics explains itself.

  • Drag-to-warp interaction: move the black hole and the background sky bends in real time into gravitational arcs
  • Three-round multi-agent polish loop — reviewers, fixer, rollback on failure — all while the creator slept
  • Full Einstein ring forms when source, lens, and viewer align perfectly

“I asked Opus 5.5 to explain gravitational lensing by building an interactive black hole lab One prompt for the first version, then a dynamic workflow to polish it for three rounds while I slept. This is what I woke up to: 5h 28m end to end, $90 at API prices https://blackhole.voxyz.ai Drag the black hole and the sky behind it bends into arcs, closing into a full ring when everything lines up Each round ran 3 agents. Two reviewers each picked 9 to 10 issues and ranked them P0, P1, P2. The third one fixed them. Round 1: 3D materials and lighting + UI and type Round 2: camera motion and interaction + science-communication design Round 3: a design director deciding whether it ships + visual QA and performance Every P0 got fixed, the rest only if worth it. When the two reviewers disagreed, it picked one and wrote down why. It backed up before each round, checked screenshots after, and rolled back anything it couldn't fix.”

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