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-1

No, I think other answers have made that clear. Specifically by comparing it to the Persian(Iranian), or Baha'i Calendar. But I'd like to drop this tidbit here for anyone interested. There's another calendar that while maybe not more accurate than Gregorian (it's exactly as accurate), it is more consistent. The International Fixed Calendar, sometimes called ...


42

The claim that George Biddell Airy wrote a paper titled “On certain Conditions under which Perpetual Motion is possible” which was published in the Transactions of the Cambridge Philosophical Society is true. The full text of the (short) paper can be read on Google Books. The claim that this is a “rigorous mathematical proof of the theoretical possibility ...


22

Airy's official autobiography, edited by his son Wilfrid and published in 1896, contains an appendix listing every paper that Airy ever published, along with when and where he published them. On certain Conditions under which a Perpetual Motion is possible is listed partway down page 374: So yes, George Biddell Airy really did write that paper. This doesn'...


5

(Posting this as a self-answer because it's too large for a comment, but not accepting it because it's conjecture) Daniel R Hicks commented that he heard this "around 1980." Indeed, it appears that the earliest print citation is from precisely the year 1980, in the surgeon Paul Brand's Christian memoir Fearfully and Wonderfully Made (Grand Rapids, Mi.: ...


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