Etienne Klein Quel sera notre Futur
Arduino, science, technologie,Etc.
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![Étienne Klein : la structure fondamentale de la matière : le boson de higgs [EN DIRECT]](https://sun9-38.userapi.com/_0jg8zdGSjCa8R7EAzKUj5EbPDBm89Mp2-9ajw/a56UmxoMd0A.jpg)
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5 months ago 02:02:28 1
![⏳ [Etienne Klein] Peut-on voyager dans le temps ?](https://sun9-24.userapi.com/impg/9iyiScA0AMGpeMt57TIDsMs9GcfKIKblWY7eeA/d6xkS3q_SY8.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=f970ccb1b194642b193feeb8b16e5ceb&c_uniq_tag=sfGm3VsMc7ff196rJkr6y89wbkaU8fc49jPQY1RrID0&type=video_thumb)
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