Ossian Hempel
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Articles and notes

Writing about data, apps, and training.

Mostly practical notes from things I am building, debugging, or trying to understand better. No strict content calendar, just the stuff that survives long enough to write down.

Latest

Stop babysitting your agents. Here is how to build the trust that gets you more done.

2026-09-23

The productivity gain starts when an agent can run, check, and correct its own work. Here is how to build the environment that makes that possible.

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2025-11-15

GainsLog: A Workout Log Built Around Progress

I built GainsLog to record a workout and make the next target easier to choose.

Open
2025-10-02

How I Use AI-Assisted Coding

I use coding agents to shorten feedback loops while keeping the engineering decisions, context, and review in human hands.

Open
2023-08-05

Google Data Analytics Capstone: Bellabeat Fitness Tracker Analysis

A Bellabeat case study using a public FitBit dataset to examine activity, sleep, and testable product questions.

Open
2023-04-07

Hypertrophy 101: The Fundamentals of Training for Muscle Growth

A practical starting point for training, nutrition, and progression when the goal is muscle growth.

Open

© Ossian Hempel 2026. Built by me.

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