कांच जैसी नाजुक चीज बनती कैसे है?

कांच यानी शीशा हमारे जीवन का अहम हिस्‍सा है, इसी से आईना बनता है.

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क्‍या आप जानते हैं क‍ि कांच जैसी नाजुक चीज आख‍िर बनती कैसे है?

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आप जानकर हैरान होंगे क‍ि कांच को बनाया जाता है रेत से.

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और देखें

सब कुछ ठीक चल रहा था, फिर अचानक से कैसे तबाह हुआ इन 8 सितारों का करियर? कोलगेट, मारुति और बाटा, क्‍या ये सब हैं भारतीय कंपनियां? जानिए सच्चाई पैरों से सांस लेता है विचित्र जीव, देखने के लिए चार-चार आंखें, केकड़े से है रिश्तेदारी! पांच IAS अफसर, जिन्हें नहीं पसंद आई मोटी सैलरी वाली जॉब, इन्वेस्टमेंट बैंकर की नौकरी छोड़ क्रैक की UPSC

रेत में कुछ अन्‍य चीजें डालकर एक भट्ठी में 1500 डिग्री पर पिघलाते हैं.

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अत्‍यध‍िक तापमान पर गर्म करते ही यह दूध की तरह द्रव्य बन जाता है.

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पिघली हुई अवस्‍था में ही इसे विभ‍िन्‍न खांचों में डालकर डिजाइन देते हैं.

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बोतल-दर्पण जैसी चीजें बनाने के ल‍िए एक बार फ‍िर इसे भट्ठी में डालते हैं.

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कांच का अव‍िष्‍कार 2500 साल पहले मिस्र या मैसोपोटामिया में हुआ था.

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ईसा से लगभग डेढ़ हजार साल पहले से कांच के बरतन बनाए जाने लगे.

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