Category Archives: History

Year Zero

Awhile back, the BBC website History Extra had a post that included this tidbit:

AD 0… the date that never was

The AD years of the Christian calendar are counted from the year of Jesus Christ’s birth, and, as the number zero was then unknown to the west, Dionysius began his new Christian era as AD 1, not AD 0. …

This evoked the ire of the noted historian Thony Christie. In a post Something is Wrong on the Internet, he explained:

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Why “atomic bomb” instead of “nuclear”?

Why do we (mostly) say atomic bomb instead of nuclear bomb, which is technically more correct? This was asked on the History of Science and Math stackexchange. Here’s my answer.

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Filed under History, Physics