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THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH
This week will mark the 62nd anniversary of the patenting of the laser by two American researchers. This article will try to shed some light on this invention. A PROJECT COOKED UP WITH A MICROWAVE Charles Townes was 44 when, on the 22nd of March 1960, together with his brother-in-law Arthur Schawlow, he filed a patent which, although it was to reshape industry and the world in general, was the result of research work started nearly twenty years earlier. It was during World War II
THIS ARTICLE IS ONLY AVAILABLE IN FRENCH