You Have Been Staring at the Stack Trace and Forgot to Blink
It is four in the afternoon. The bug is close. You have been reading the same stack trace for forty minutes. Your eyes feel gritty. The lines start…
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6 Hosted App Health Dashboard API Controls — Attribute Every Agent Loop Cost
Choose a hosted telemetry API only if it preserves one agent run as one queryable unit across health, latency, and cost. For a small B2B SaaS team,…
Kinematics Lab Part II: You Don't Need Another...
By Robin Winters · First published July 30, 2026 · Republished October 2, 2026 Original LinkedIn edition · Readable HTML edition · Robin’s portfolio…
Type 'frio na barriga' and get the same sourced answer as 'butterflies in my stomach'
In Portuguese, a nervous stomach is frio na barriga : "cold in the belly". In Polish it is motylki w brzuchu , in German Schmetterlinge im Bauch , a…
Designing sleep apps that people don't abandon after three nights
Designing sleep apps that people don't abandon after three nights The sleep app category has one of the worst retention curves in consumer software.…
Why your health app should never upload raw audio
If you build a sleep, meditation, or "smart home" app that records audio, the most important architecture decision you will make has nothing to do w…
How Much Water Do You Actually Need? A Science-Backed Hydration Guide
Quick Answer The "8 glasses a day" rule was never a research finding — it originated from a 1945 recommendation that was widely misquoted. How much…
The Science of Hourly Movement: Why Short Walking Breaks Matter Even If You Already Work Out
Quick Answer Sitting for long, uninterrupted stretches — even if you exercise regularly — is independently linked to higher blood sugar spikes, impa…
I Fixed My Sleep by Breaking Every Rule I Was Told to Follow
For years I thought I was bad at sleeping. Turns out I was just following advice that didn't fit my life. You've read the lists. No screens an hour…
A Baby Growth Percentile Calculator Using WHO and CDC Reference Data
New parents obsess over percentile numbers. I get it. I built a tool that plots your baby measurements against official WHO and CDC growth standards…
Caffeine Is the Most Effective Legal Ergogenic. Pre-Workouts Bury This Under $30 of Filler.
Caffeine is the single most-researched performance-enhancing substance in sports science. It's also the primary reason pre-workout supplements actua…
Elevate Your Living Space with Data-Driven Interior Design
Most devs spend all day fixing broken layouts in the browser. Why not fix the one in your actual office? I started treating my desk setup like a ref…
I compared 3 paid TDEE calculators against a free one
I spent an afternoon researching TDEE calculators. Here is what I found: MacroFactor : $71.99/year. And you need to log every meal for 3 weeks befor…
I Built a Hydration Reminder App — Here's What I Learned About Making Notifications That Don't Get Ignored
Every developer I know has built at least one "productivity" side project for themselves. Mine was a water reminder app. Sounds trivial. It was more…
I Built a Free Body Calculator That Shows All Your Numbers in One Report
As a developer who started lifting seriously two years ago, I kept running into the same problem: to understand my body composition, I needed to vis…
What I Learned About MND, Voice Banking, and Why Assistive Tech Is Personal
As part of my volunteering with AbilityNet , I recently attended a training session on motor neurone disease (MND) — and it quietly shifted how I th…
We built a leg-fidget counter. Here's what that actually took.
The problem nobody is measuring Non-Exercise Activity Thermogenesis — NEAT — is the energy your body burns doing everything that isn't deliberate ex…
I Built a Smarter 20-20-20 App Because Every Other One Annoyed Me
The 20-20-20 rule is a simple habit recommended by optometrists to reduce eye strain: Every 20 minutes, look at something 20 feet away for 20 second…