hi.

I’m Bobby Burns, a Python software engineer. I like building things with machine learning and shipping side projects, a few of which are below.

currently building Todd · last commit 6 days ago

Draw a digit on the pad. A tiny neural network (784 → 32 → 16 → 10) is running in your browser; brighter nodes and edges are the ones doing the work.

projects.

all projects →

daily ml paper.

⚠ AI-generated summaries, published without human review.

Oct 15, 2026
A weather model's mistakes are predictable, and that makes them fixable
on Advancing Subseasonal Forecasting with Machine Learning
Oct 14, 2026
A chatbot's "no" can live in a single vector
on Refusal in Language Models Is Mediated by a Single Direction
Oct 13, 2026
What is a dead startup's Slack worth to a model?
on Data Shapley: Equitable Valuation of Data for Machine Learning

latest from the blog.

Oct 5, 2026
A new site
I rebuilt this site. The old version was a landing page and a short list of school projects. This one has room for the things I'm working on now, and a place to write.