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A frequency-comb rack beside an optical-lattice atomic clock table, one locking indicator on the comb electronics still blinking between red and green as the lock servo settles, the vacuum chamber's viewport catching a small pool of pale laser light

Fine-Tuning Without a Tuner: Selection Effects in Physics

The constants look chosen for complexity, and physics' actual candidate explanations are all selection arguments. Weighed here for exactly what each one proves and where each one quietly stops proving anything.

By Brecht Corbeel · September 1, 2026 · 23 min read

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