March 21, 2026
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I Built a Spy Satellite Simulator in a Browser. Here's What I Learned
Anime skies, night vision vibes — and a Palantir co‑founder jumps into the fray
TLDR: A solo dev built a browser “spy satellite” using public data and AI helpers so eye‑popping that a Palantir co‑founder responded. Commenters praised the power of “just a tab,” blasted the retro filters, and worried about AI costs—proof that high‑end surveillance vibes are now DIY and up for debate.
A one‑person weekend build called “WorldView” put spy‑movie goggles in your browser, and the internet promptly lost its mind. The demo layers night vision, thermal views, retro scanlines, live planes, real satellite orbits, and even public traffic cameras onto a 3D city map — all in a tab, powered by public data and AI coding helpers. The dev says it “felt magical.” It felt controversial, too: after the video dropped on YouTube, a Palantir co‑founder showed up to defend his company, and the thread went thermonuclear.
Fans were dazzled. “Very impressive,” cheered sunnyos, while ashwinnair99 crowned the humble browser the new king: it just needs a tab. But the vibe shift was real. zeckalpha side‑eyed those retro CRT scanlines (old tube‑style displays), asking if intel analysts even use them, and UltraSane went full roast: the filters are “worse than useless.” That kicked off a surprisingly spicy UI debate: are these views extracting more info, or just LARPing surveillance? Meanwhile, wallet‑watchers like wolvoleo asked the question every hobbyist fears: how much does running multiple AI agents actually cost? Between “Black Mirror meets Studio Ghibli” jokes about the anime mode and quips about “mission control in Chrome,” the community split into three camps — awe at the power of a single tab, anxiety over surveillance cosplay, and calculators out for the AI bill. One thing everyone agrees on: this is wild.
Key Points
- •WorldView is a browser-based tool that overlays real-time aviation, satellite, traffic, and public CCTV data onto Google’s 3D city models.
- •It uses Google’s Photorealistic 3D Tiles API, with the author having worked six years at Google on this technology.
- •Integrated data sources include OpenSky Network, ADS-B Exchange, CelesTrak TLE data, OpenStreetMap, and Austin public CCTV feeds.
- •Visualization modes include night vision, FLIR-like thermal, CRT scan lines, and anime-style cel-shading via custom shader pipelines.
- •The project was built in a weekend using multiple AI agents (Gemini 3.1, Claude 4.6, Codex 5.3) from voice notes/screenshots, minimizing manual coding.