Archive - Build Rad Shit

Bring Your Own Agent

Don’t make me use your agent — it probably sucks

Aug 25 • Trond Wuellner

Check Your Work

How to use evals and adversarial testing to build better AI.

Aug 18 • Trond Wuellner

July 2026

Improved! Math Worksheet Generator

Sharing an updated math worksheet generator you can use with any AI Agent. Now covering all curriculum through high school, with verified answer keys…

Jul 28 • Trond Wuellner

What a darkroom hobby teaches you about shipping AI products

Part three, and the last of the GlassMeter posts. The lessons from a hobby that followed me back to my day job.

Jul 21 • Trond Wuellner

Using Antigravity to switch from React to Swift in one shot

Part two of the GlassMeter story. What "one-shot" agentic coding actually feels like, and what it changed about how I build.

Jul 14 • Trond Wuellner

From light to a print: how a photograph actually gets made

A companion to the GlassMeter series. The whole analog chain, start to finish, the way I actually do it: choosing film, metering the light, tripping the…

Jul 6 • Trond Wuellner

June 2026

I built a light meter to understand light

A build-to-learn story: a dead light meter at a camera swap, a darkroom class, and nine months later, an iPhone app for film photographers.

Jun 30 • Trond Wuellner

Build the travel app you've always wanted

For years I've built a complex travel doc to organize the logistics of summer travel. This year I converted it into a rad travel app on a Saturday…

Jun 23 • Trond Wuellner

NotebookLM’s execution stack

Extending NotebookLM to support grounded execution.

Jun 18 • Trond Wuellner

May 2026

Google I/O 2026 Recap

Signaling a platform shift across the Google Ecosystem

May 25 • Trond Wuellner

Stella, Meet Merc

I bought a robot from a bar. My kids built it. The family AI got a body.

May 6 • Trond Wuellner

2026 is the year of Just-in-Time UX

I wildly underestimated how fast we'd get here.

May 1 • Trond Wuellner

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