Blog category
4=posts
Step-by-step walkthroughs for the conversions and calculations that come up most.
Tutorial
- cookingrecipescaling
Why kitchen recipes don't scale linearly (and the salt floor that breaks everything)
Doubling a recipe doesn't double the cooking time, and doubling the salt makes it too salty. The five things that don't scale the way you expect.
6 min readRead - bmihealthfitness
BMI is a 200-year-old metric — what it actually tells you (and what it doesn't)
BMI was invented in the 1830s by an astronomer to study population averages. Here's where it works, where it fails, and what to use instead.
5 min readRead - pdfepubebook
PDF vs EPUB: when each one wins
PDF is paginated, EPUB is reflowable. The choice between them isn't about quality, it's about whether the document needs to look the same on every device.
6 min readRead - productivitypomodorofocus
The pomodoro myth — what Cirillo actually said vs the watered-down version
Everyone knows '25 minutes work, 5 minutes break'. Almost no one knows the four other rules that make the technique actually work. The forgotten 80 %.
5 min readRead