Revisiting the Tinley Park Lights

175 strangers filed independent reports about the same thing. 96% agreed on the color. 100% agreed on the sound. I ran the data on the Tinley Park Lights.

Brian Decker Feb 27, 2026

Builds

Lessons Learned Building a UFO Classifier

My first approach to analyzing 152,000 UFO sightings had a 34% accuracy rate. I almost published it anyway. Here's what went wrong with semantic embeddings, why I pivoted to LLM extraction, and the methodology that actually worked.

Brian Decker Jan 31, 2026

Research

Classifying the Unknown: A Taxonomy of UFO Sightings

I claimed triangles are nocturnal. That disks are 5x more likely to involve entities. That shadow beings terrify while light beings inspire awe. Here's the sighting ID index so you can verify it yourself.

Brian Decker Jan 15, 2026