User talk:Palleas

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By the way, the question you raised about sagittal and tangential at Talk:Astigmatism has lead to an interesting discussion. You might want to check it out, if you haven't been following that page.--Srleffler 05:07, 9 April 2006 (UTC)

Thanks for your note. You might want to take a look at the page on étendue. I presume the word comes from French, but I don't know what the origin is. A sentence or two on the origin of the word would be a good addition to the article. On the French wiki, I notice that étalon does not contain a link to interféromètre de Fabry-Pérot. Is an etalon not a solid Fabry-Pérot interferometer in French, as in English?--Srleffler 21:40, 15 April 2006 (UTC)

Par rapport à ton comentaire sur l'article Provençal, je ne voudrais pas te vexer mais il y a des jours ou je me dis qu'il faudrait mettre l'esprit de clocher niçois sous cloche au pavillon de Sèvre. Le Provençal a une grammaire, une ortographe et une litterature qui remonte au moyen age. Même que Frédéric Mistral a eu le prix Nobel, pécaïre ! Quant au Niçard il a des spécificités, bien sûr, mais il ne faut pas exagérer, quelqu'un qui comprend le Provençal comprend facilement le Niçard, bien plus facilement que le Gascon par exemple qui est également un dialecte de l'Occitan. Ericd 13:03, 18 July 2006 (UTC)

HELLO INTERESTED IN KNOWING SOMETHING...
At the incident point on the flat serfice of the GRIN, why doesn't the incident beam of light have to come in at an angle so not to defeat Snell's Law?

Randolph randolph_1906@hotmail.com