تعمل فيكي شقيقة تيم في أبحاث الإشعاع. تظهر له أين نواجه الإشعاع في كل مكان - وما هو عليه في الواقع. #strahlenschutz #strahlung #radioaktivität #radioaktiv #uv #mobilfunk #handy #röntgen الأصل: "المكتب الاتحادي للوقاية من الإشعاع" الأصل: الألمانية. تم إجراء جميع الترجمات في هذا الفيديو بواسطة الذكاء الاصطناعي alugha.
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Head to https://squarespace.com/amateurchemistry to save 10% off your first purchase of a website or domain using code AMATEURCHEMISTRY In this video I show how to easily turn some wood, battery acid and aluminum foil into beautiful crystals of potassium alum at home while having a tough time with
Head to https://squarespace.com/amateurchemistry to save 10% off your first purchase of a website or domain using code AMATEURCHEMISTRY In this video I finish the 4 month long journey to make the legendary cubane 1,4-dicarboxylic acid methyl ester while creating an assortment of tars some of which
