Simulation arguments are usually framed as a challenge to religion. Follow the reasoning carefully and it changes the description of creation without touching the question underneath...
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How the metre was decided
21 July 2026
A unit of length was fixed by a survey that turned out to be slightly wrong, and the error is still in the number. What that...
What “metabolism” actually means
14 July 2026
The word is used to explain almost everything and specifies almost nothing. A plain account of what is being measured, and where the popular version parts...
The memory you are most sure about
7 July 2026
Confidence and accuracy come apart in recall, and the gap is widest for the memories that feel most vivid. What the research shows, and what it...
How a lithium battery fails
30 June 2026
Every rechargeable cell is a slow chemical compromise. Understanding the failure explains the charging advice better than the advice does.
The colour that had to be manufactured
23 June 2026
Some pigments were rare enough to change what painters could depict. A short account of how supply shaped subject matter.
The trouble with asking whether free will exists
23 June 2026
Two people arguing about free will are often defining it differently and agreeing on the facts. Laying out the definitions first makes the disagreement smaller and...
Why noise-cancelling works, and what it cannot cancel
9 June 2026
The physics is straightforward. The reason the quiet feels stranger than expected is not physics at all.
Sleep debt is not a debt
2 June 2026
The accounting metaphor is doing a lot of work, and most of it is misleading. What recovery sleep restores, and what it does not.
Why the keyboard is arranged the way it is
21 May 2026
The standard explanation is a story about jamming type bars. The record is more crowded than that, and less tidy.