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Un groupe de l'université Keio au Japon a développé un tissu qui change de couleur avec la température.
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Are you really into new and simply complicated things, I know I am and that is why I think that it's important for me to make you know about the latest watch complications that look really plain on the outside.
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Have you ever had trouble waking up in the morning, or woken up so groggy that it ruins your whole day? The Sleeptrack is the answer to this problem.
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