Physics Facts

The constants and units every other measurement rests on, and the ideas behind how they were fixed.

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50 cryptograms, each one a fact written for this site rather than a sentence taken from a book. Cited to 11 sources, NIST the most common.

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SourceFacts

How hard they are

1 easy, 37 medium and 12 hard, graded by the model described in our guide to solving cryptograms.

They average 72.9 letters over 19.3 distinct ones, with 4 letters appearing exactly once.

TierCryptogramsPlay

Every one of them

Each has a page of its own naming its source, and its answer on a separate page so you will not run into it by accident.

Source

Other fact collections

CollectionCryptograms

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