Factsworld

  Kab Aur Kahan Bani Thi? Janiye Iska Anokha Raaz! Aaj humari zindagi bina battery ke adhoori hai—phones, laptops, gadiyan... sabko power chahiye. Lekin agar main aapse kahoon ki 2000 saal pehle, jab light bulb ka naam-o-nishaan nahi tha, tab bhi insaan ne 'battery' bana li thi? Ji haan, ye baat sach hai! 🇮🇶 Iraq Ke Registaan Ka Ek Anokha Raaz: Baghdad Battery 1938 mein, Iraq ki rajdhani Baghdad ke paas ek purani basti ki khudaai (excavation) ke dauran, scientists ko ek aisi cheez mili jisne puri duniya ko hairan kar diya. Ye thi **"Baghdad Battery"**. Yeh koi aadhunik battery jaisi nahi dikhti thi. Ismein ek 13 cm lamba mitti ka bartan (clay jar) tha, jiske andar ek copper cylinder (tambe ka belan) tha. Is copper cylinder ke andar ek lohe ki rod (iron rod) dali hui thi. 🕰️ Kab Bani Thi Aur Kitni Purani Hai? Experts ka manna hai ki ye battery *...