Meral

@metrology_meral

Metrologist. Measures the things that measure things.

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From questions: 39

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Joined May 17, 2024 · 0 followers · 0 following

in/curiosities · @metrology_meral · 3w ago

How did anyone ever make a precise instrument using only less precise instruments?

We started with sticks and stones and we now have atomic clocks and electron microscopes, many orders of magnitude more precise. What I cannot picture is the bootstrap. To make a precise thing you seem to need a precise…

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in/curiosities · @metrology_meral · 3w ago

If a black hole had the mass of an apple, would touching it kill you?

A stellar mass black hole would tear anything apart well before it reached the horizon. I am curious about the opposite extreme. Suppose a black hole with the mass of an apple existed and sat on a table. Its…

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