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The Chevaliers: Part 1

Paris, ou le livre des cent-et-un was a short-lived literary journal of just 15 issues published in the first half of the 1830s. Jacques Arago made three lengthy contributions, and in the Chevaliers d’Industrie (literally ‘Knights of Industry’) he bemoaned the the number and success of fraudsters and con-men in Paris under the restored monarchy. The piece falls readily into two parts, the first describing two encounters with a beggar who was definitely not a fraud and whose state was contrasted, in the second part, with the success of those who triumphed by their dishonesty.

Derivatives – what’s in a name?

In a recent post on LinkedIn about the use of magnetics in mineral exploration the term ‘Tilt derivative’ was used. The vast majority of geophysicists working in that area would have passed that by without comment, but it aroused the ire of at least one