Business example, not health claim.
Minarski Electronics sells computers and provides hardware maintenance services.
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LifeX analystLeonard Price
Leonard Price is a numbers-minded writer in Colorado. He examines tracking, measurement error, useful signals and the limits of self-experiment results.
When Self-Improvement Turns Into Constant Self-Surveillance
When I think about self-improvement tools, I come back to one choice: what counts as useful feedback, and what turns into constant self-surveillance. The line is not moral. It…
Optimization vs Enjoyment: What Is the Point of a Longer Life?
Today I keep running into the same tension. Tracking can help me ask better questions about how I live. It can also steal the point of living, by turning every day into a…
How Much Optimization Is Enough?
Tracking is interesting because it can turn vague effort into something I can look at. It also has a risk: I can start trusting numbers more than the real situation. Today I…
What Does a Readiness Score Actually Mean?
What does a readiness score actually mean? That is the question I keep coming back to when I look at the numbers each morning. Not because I doubt the idea of using data to…
Can a Wearable Really Measure Sleep?
This is a diary-style claim audit of what a wearable promises about sleep.
Heart Rate Variability Without the Hype
I am thinking about heart rate variability, or HRV. It is the difference in time between adjacent heartbeats. That may sound precise, but the way we measure it matters. A…
Which Metric Is Worth Watching?
Why this question matters Sleep, movement, and daily habits shape how we feel, but a number is not the whole truth. The goal is to ask useful questions and spot patterns, not…
Epigenetic Clocks: What Are They Measuring?
Today I sit with a question that keeps returning in my notes. What exactly do epigenetic clocks measure, and why do they sometimes disagree with each other? The topic sits at…
How to Run a Personal Experiment Without Fooling Yourself
I start with a single question. Not a big one, not a sweeping claim, just this: how can a person learn something useful from a simple, low risk self experiment without letting…
The Problem With Changing Five Habits at Once
I keep thinking about the same choice: change more than one thing, or change one thing. On paper, the first option feels efficient. You start a “big reset” and you expect…
A Fourteen-Day Sleep Routine Observation Challenge
I like habit tests that stay simple. This one is about sleep routines, but it is not about fixing anything. It is about getting a clear picture of what my day does to my night.…
What a One-Person Experiment Can Never Prove
What I am studying is not a claim that can stand alone. A single person, watching a single set of numbers, learns a set of questions. The questions are worth something only if…
The Best Metric May Be the One You Can Measure Consistently
There is a simple urge when you start tracking a habit. You want the number to tell you the truth. You want a clean signal in a noisy life. The idea is tidy, even comforting: a…
What Kind of Self-Experimenter Are You?
I have learned that questions can guide a curious mind more than numbers alone. A good self-experiment starts with what we notice, then asks what it means. The point is to…