Sketchplanations

Sketchplanations

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Weekly hand-drawn explanations of ideas from science, psychology, creativity and life.

Thermocline
BlogMay 3, 2026

Thermocline

The post explains the thermocline as the ocean zone where temperature drops sharply below the sun‑warmed mixed layer, typically beginning tens of metres down and extending to about 1,000 m. It notes that the gradient is strongest in tropical and temperate...

By Sketchplanations
A Walk in the Wind: Uitwaaien
BlogMar 15, 2026

A Walk in the Wind: Uitwaaien

The blog introduces "uitwaaien," a Dutch practice of walking or cycling in strong wind to clear the mind. It explains the word’s literal roots—*uit* (out) and *waaien* (to blow)—and shares personal anecdotes from coastal England and the Netherlands. The post...

By Sketchplanations