Writing

Research notes for curious people.

Plain-language tours through the papers, prototypes, and ponderings behind my work.

Collage of UW projects and communities, grouped into courses, extracurriculars, research, and Koel Labs

Four Years of Side Quests at University of Washington

Four years of side quests at UW taught me to reach out early, cross disciplinary boundaries, share my work, and respect the human effort behind scalable systems. Enjoy these lessons told through interactive widgets.

Alexander Metzger 2026-07-30
Projects ML Math
Phonetic transcription benchmark chart

When More Synthetic Speech Labels Stop Helping

A plain-language tour of our Interspeech 2026 paper on phonetic transcription, why synthetic labels help only up to a point, and what this means for accent-robust speech technology.

Alexander Metzger 2026-06-20
Research Speech ML Accessibility
ASR word error rate plot for ALLSTAR DHR accents

Speech AI Progress Is Not Evenly Distributed

A lay summary of Connecting the Dots, our draft on why automatic speech recognition improvements for mainstream English do not reliably transfer to minority English varieties.

Alexander Metzger 2026-06-19
Research Speech Fairness ML
Embedded machine learning hardware

Giving AI Agents Real Hardware to Learn From

A lay summary of Embedded Arena, our benchmark and hardware-in-the-loop harness for AI agents optimizing machine learning models on microcontrollers.

Alexander Metzger 2026-06-16
Research ML Embedded Agents
Living Sustainability browser extension

Making Product Sustainability Visible While You Shop

A plain-language summary of Living Sustainability, our IMWUT work on in-context interactive environmental impact communication for everyday product decisions.

Alexander Metzger 2026-06-15
Research Sustainability HCI Access
K3,3 embedded on a torus

How Many Holes Does a Graph Need?

A friendly explanation of our graph genus algorithm as published in Discrete Mathematics, why drawing graphs on surfaces matters, and how rotations helped compute the genus of the (3,12)-cage.

Alexander Metzger 2026-06-14
Research Algorithms Math Graph Theory
Surfaces folded and glued from polygons

A Gentle Door Into Graphs on Surfaces

A lay summary of my UW honors thesis, which builds intuition for topological graph theory and the Practical Algorithm for Graph Embedding.

Alexander Metzger 2026-06-13
Research Algorithms Math Graph Theory