https://mathvsvibes.com/receipts/ Every graphic, clip, and dataset from the show, with the math behind it. Plus the open-source repos the show is built with. en-us https://mathvsvibes.com/receipts/sci-fi-analysis/ https://mathvsvibes.com/receipts/sci-fi-analysis/ Wed, 05 Aug 2026 12:00:00 GMT A directed graph of science fiction history: 106 works, authors, and editors, 83 documented influence edges — and seven disputed "firsts" kept as claims, not verdicts. D3 visualization plus Manim scenes. https://mathvsvibes.com/receipts/traffic-video-analysis/ https://mathvsvibes.com/receipts/traffic-video-analysis/ Fri, 31 Jul 2026 12:00:00 GMT Turns drone footage of a traffic jam into measured stop events: homography stabilization to the road plane, YOLO+ByteTrack tracking, world-frame kinematics. 1,541 tracks, 154 measured stops from 17 seconds of film. https://mathvsvibes.com/receipts/traffic-sim/ https://mathvsvibes.com/receipts/traffic-sim/ Mon, 27 Jul 2026 12:00:00 GMT A traffic simulation engine on NATS: real road networks from OpenStreetMap, AI and human drivers on the same roads, and congestion metrics for answering "which upgrade actually fixes this intersection?" https://mathvsvibes.com/receipts/the-model-bet-against-me/ https://mathvsvibes.com/receipts/the-model-bet-against-me/ Tue, 21 Jul 2026 16:00:00 GMT The bet was settled before the Final kicked off. Then the machine, freed of its locked bracket, priced the Final 53/47 Spain, against its own crowned champion. Spain won 1-0 in extra time. The concession is on camera. https://mathvsvibes.com/receipts/llm-meter/ https://mathvsvibes.com/receipts/llm-meter/ Mon, 20 Jul 2026 12:00:00 GMT Measures LLM provider mechanics — time-to-first-token, sustained tokens/sec, cost at list rates — one line of JSONL per probe, a schema any benchmark can consume. https://mathvsvibes.com/receipts/research-bot/ https://mathvsvibes.com/receipts/research-bot/ Sun, 19 Jul 2026 12:00:00 GMT Deep research on cheap tokens: one architect, four orchestrators, 262 worker models doing the reading, and an adversarial verification gate. $7.88 instead of $74.50 at list prices. https://mathvsvibes.com/receipts/llm-bench-tower-building/ https://mathvsvibes.com/receipts/llm-bench-tower-building/ Sun, 19 Jul 2026 12:00:00 GMT An LLM benchmark where the test is a tower: build the tallest one you can under an uncertainty contract — place a block exactly where you want, or push it exactly how you want, never both. https://mathvsvibes.com/receipts/one-semifinal/ https://mathvsvibes.com/receipts/one-semifinal/ Sat, 18 Jul 2026 16:00:00 GMT 2,147,483,648 possible World Cup brackets, two real entries, and every remaining pick identical except one. The model priced its side of the coin flip at 50.7%. Spain won 2-0. https://mathvsvibes.com/receipts/it-wasnt-the-weather/ https://mathvsvibes.com/receipts/it-wasnt-the-weather/ Sat, 18 Jul 2026 16:00:00 GMT Thomas texted "delayed an hour because of weather" from an airport gate. So we rebuilt that entire day of US air traffic — 21,261 flights — as a simulation. Weather loses, five to one. https://mathvsvibes.com/receipts/argentina-spain-head-to-head/ https://mathvsvibes.com/receipts/argentina-spain-head-to-head/ Sat, 18 Jul 2026 12:00:00 GMT 74 years of head-to-head, dead even at 6-6-2, and only one match ever counted. The model prices Sunday's final at 53/47 Spain. https://mathvsvibes.com/receipts/semifinal-sheets/ https://mathvsvibes.com/receipts/semifinal-sheets/ Sat, 18 Jul 2026 12:00:00 GMT Spain, France, Argentina, England: one card each, the model's per-match expectation against what actually happened on the road to the semifinals. https://mathvsvibes.com/receipts/world-learning-football/ https://mathvsvibes.com/receipts/world-learning-football/ Sat, 18 Jul 2026 12:00:00 GMT Every international match ever played, 1872-2026, as an Elo map replay. All 22 World Cup titles are gold fireworks. 154 years in 29 seconds. https://mathvsvibes.com/receipts/been-here-before/ https://mathvsvibes.com/receipts/been-here-before/ Sat, 18 Jul 2026 12:00:00 GMT Every 2026 knockout team by how many of the last 10 World Cups it reached each stage. Brazil: 10-for-10 to the round of 16, and out anyway. https://mathvsvibes.com/receipts/highest-scoring-world-cup/ https://mathvsvibes.com/receipts/highest-scoring-world-cup/ Sat, 18 Jul 2026 12:00:00 GMT 2.91 goals per game deep into the knockout rounds — the 2026 World Cup is scoring faster than any tournament since 1970. https://mathvsvibes.com/receipts/best-time-to-fly/ https://mathvsvibes.com/receipts/best-time-to-fly/ Fri, 17 Jul 2026 12:00:00 GMT Every US domestic flight of 2025, boiled down to four booking rules. The mechanism behind all four: your plane inherits delay from wherever it flew before you. https://mathvsvibes.com/receipts/nationwide-ground-stop/ https://mathvsvibes.com/receipts/nationwide-ground-stop/ Fri, 17 Jul 2026 12:00:00 GMT Jan 11, 2023: the first nationwide ground stop since 9/11, replayed from 17,267 flight records. https://mathvsvibes.com/receipts/eric-builds-math-models/ https://mathvsvibes.com/receipts/eric-builds-math-models/ Tue, 14 Jul 2026 12:00:00 GMT Self-contained statistical models and the charts built from them — one folder per project, each runs on its own. Home of the World Cup Poisson model, ratings frozen before the round of 32. https://mathvsvibes.com/episodes/ep-02/ https://mathvsvibes.com/episodes/ep-02/ Tue, 14 Jul 2026 12:00:00 GMT 2,147,483,648 possible brackets, two real entries. A rating model on 49,477 international matches against Thomas's gut, graded live through the Final. https://mathvsvibes.com/receipts/every-international-since-1872/ https://mathvsvibes.com/receipts/every-international-since-1872/ Wed, 08 Jul 2026 12:00:00 GMT 49,477 full internationals — from Scotland 0-0 England in 1872 to the 2026 group stage — plus the Elo and attack/defense ratings the bracket engine runs on. https://mathvsvibes.com/receipts/every-us-flight-since-2003/ https://mathvsvibes.com/receipts/every-us-flight-since-2003/ Tue, 07 Jul 2026 12:00:00 GMT 150+ million scheduled US domestic flights, 2003-2025, cleaned and repacked into one parquet file per year. Free to take, queryable in one line of DuckDB. https://mathvsvibes.com/episodes/ep-01/ https://mathvsvibes.com/episodes/ep-01/ Mon, 06 Jul 2026 12:00:00 GMT Thomas said airport delays are incomprehensible variability. Eric rebuilt a full day of the US air-traffic system, 21,261 flights, as an interactive simulation.