{"id":20864,"date":"2013-03-23T18:00:54","date_gmt":"2013-03-23T17:00:54","guid":{"rendered":"http:\/\/www.savemybrain.net\/v2\/?p=20864"},"modified":"2013-03-23T08:12:22","modified_gmt":"2013-03-23T07:12:22","slug":"origine-micro-ondes","status":"publish","type":"post","link":"https:\/\/www.savemybrain.net\/v2\/2013\/03\/23\/origine-micro-ondes-180020864\/","title":{"rendered":"Quelle est l’origine du four \u00e0 micro-ondes ?"},"content":{"rendered":"

Apr\u00e8s une \u00e2pre journ\u00e9e de r\u00e9flexion, le sujet de cet article, que je savais d\u00e9j\u00e0 palpitant et m\u00eame troublant, ne venait pas. Rien de venait cogner mon subtil intellect. Le vide, le n\u00e9ant, une conversation avec Eve Angeli<\/a>\u2026 Et puis, au moment o\u00f9 mon estomac criait famine (car bien entendu, je me suis priv\u00e9 de manger pour trouver une id\u00e9e digne de vous), la lumi\u00e8re fut, comme dirait un pr\u00eatre. Au moment o\u00f9 je mettais mon assiette dans le micro ondes, mon geste s\u2019arr\u00eata : d\u2019o\u00f9 c\u2019est y qui vient Hector (oui, j\u2019appelle mon micro ondes Hector) ? En v\u2019la de la question qu\u2019elle est bonne !<\/p>\n

D\u2019O\u00d9 VIENT LE FOUR A MICRO ONDES ?<\/strong><\/p>\n

\"Quelle<\/p>\n

Cet instrument indispensable \u00e0 toute cuisine moderne est avant tout le grand ami du mec c\u00e9libataire, qui rentre de beuverie et qui ne sait pas quoi manger. Cependant, son invention est parfaitement du au hasard.<\/p>\n

La d\u00e9couverte du ph\u00e9nom\u00e8ne de micro-ondes est d\u00fb \u00e0 un d\u00e9nomm\u00e9 Percy Spencer. Dans les ann\u00e9es 1940, il travaillait pour Raytheon, une usine de construction de magn\u00e9trons (des lampes de forte puissance pour la construction des radars de d\u00e9tection a\u00e9rienne). Alors qu\u2019il \u00e9tait en proximit\u00e9 d\u2019un radar en activit\u00e9, il s\u2019est aper\u00e7u que la plaquette de chocolat avait fondu dans sa poche.<\/p>\n

Le brevet fut d\u00e9pos\u00e9 par la soci\u00e9t\u00e9 en 1947, mais le premier four \u00e0 micro ondes fut commercialis\u00e9 en 1953. Il mesurait 1.80 m\u00e8tres et pesait pr\u00e8s de 350 kilos. Autant dire qu\u2019on pouvait faire chauffer de grandes bo\u00eetes de raviolis, mais il prenait beaucoup de place dans la cuisine. Les premiers \u00e9l\u00e9ments chauff\u00e9s furent du pop-corn, et un \u0153uf, qui lui, a explos\u00e9 aux visages des testeurs.<\/p>\n

\"premier<\/p>\n

Le probl\u00e8me demeurait dans le fait qu\u2019il n\u2019\u00e9tait pas possible de le commercialiser pour les foyers. En 12 ans, la soci\u00e9t\u00e9 Radarange, qui commercialise le four \u00e0 micro ondes, n\u2019en a vendu que 1000 exemplaires. Pour cela, il fallait faire effort d\u2019innovation pour miniaturiser ce genre d\u2019appareil, notamment en supprimant le refroidissement par eau.<\/p>\n

La soci\u00e9t\u00e9 Raytheon rach\u00e8te la soci\u00e9t\u00e9 Amana Refrigeration en 1965. Par le biais de l\u2019ing\u00e9nieur Ogura, l\u2019appareil se miniaturise. L\u2019utilisation des circuits int\u00e9gr\u00e9s notamment favorise la r\u00e9duction de la taille de l\u2019appareil et surtout de le rendre abordable aux m\u00e9nages, alors qu\u2019auparavant, un four \u00e0 micro ondes co\u00fbtait aussi cher qu\u2019une voiture.<\/p>\n

\"Raytheon<\/p>\n

Manque de pot, la soci\u00e9t\u00e9 Raytheon a \u00e9t\u00e9 \u00e0 l\u2019origine de cette invention au combien indispensable de nos jours, mais elle a \u00e9t\u00e9 d\u00e9bord\u00e9e par les soci\u00e9t\u00e9s japonaises Toshiba et Sanyo, qui seront les premi\u00e8res \u00e0 commercialiser le four \u00e0 micro ondes pour grand public en 1975. Aujourd\u2019hui, plus de 2 millions de four \u00e0 micro ondes sont vendus chaque ann\u00e9e en France et pr\u00e8s de 90 millions dans le monde. Tout \u00e7a gr\u00e2ce \u00e0 une barre de chocolat !<\/p>\n","protected":false},"excerpt":{"rendered":"

Apr\u00e8s une \u00e2pre journ\u00e9e de r\u00e9flexion, le sujet de cet article, que je savais d\u00e9j\u00e0 palpitant et m\u00eame troublant, ne venait pas. Rien de venait cogner mon subtil intellect. Le vide, le n\u00e9ant, une conversation avec Eve Angeli\u2026 Et puis, au moment o\u00f9 mon estomac criait famine (car bien entendu, je me suis priv\u00e9 de manger pour trouver une id\u00e9e digne de vous), la lumi\u00e8re fut, comme dirait un pr\u00eatre. Au moment o\u00f9 je mettais mon assiette dans le micro ondes, mon geste s\u2019arr\u00eata : d\u2019o\u00f9 c\u2019est y qui vient Hector (oui, j\u2019appelle mon micro ondes Hector) ? En v\u2019la de la question qu\u2019elle est bonne !<\/p>\n","protected":false},"author":18,"featured_media":20885,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2681],"tags":[87,4342,4343],"coauthors":[3685,3683],"class_list":["post-20864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-culture-et-confiture","tag-cuisine","tag-micro-ondes","tag-percy-spencer"],"yoast_head":"\nQuelle est l'origine du four \u00e0 micro-ondes ? - Save my brain<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.savemybrain.net\/v2\/2013\/03\/23\/origine-micro-ondes-180020864\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quelle est l'origine du four \u00e0 micro-ondes ? - Save my brain\" \/>\n<meta property=\"og:description\" content=\"Apr\u00e8s une \u00e2pre journ\u00e9e de r\u00e9flexion, le sujet de cet article, que je savais d\u00e9j\u00e0 palpitant et m\u00eame troublant, ne venait pas. Rien de venait cogner mon subtil intellect. Le vide, le n\u00e9ant, une conversation avec Eve Angeli\u2026 Et puis, au moment o\u00f9 mon estomac criait famine (car bien entendu, je me suis priv\u00e9 de manger pour trouver une id\u00e9e digne de vous), la lumi\u00e8re fut, comme dirait un pr\u00eatre. Au moment o\u00f9 je mettais mon assiette dans le micro ondes, mon geste s\u2019arr\u00eata : d\u2019o\u00f9 c\u2019est y qui vient Hector (oui, j\u2019appelle mon micro ondes Hector) ? 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