
What Is Fermi Estimation: How to Estimate Anything
Fermi estimation is the skill of making reasonable approximations from first principles, even with little data.
What was corrected
The article's own math gave 0.45 grams for the internet's electron mass but claimed this matched a commonly cited 50-gram figure as 'a similar order of magnitude,' though the two differ by roughly 100x.
Corrected the claim to accurately describe the size of the discrepancy between the calculation and the commonly cited figure.
Why this is better
This was an internal arithmetic inconsistency: the article's own numbers contradicted its stated conclusion. Correction aligns the text with the article's own math rather than adding new sources.
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