Invention In Hindi
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कैमरा का आविष्कार कब और किसने किया?
हर पल को फोटो फ्रेम में कैद करके सालों तक संजो कर रखना कितना अच्छा लगता है और आजकल तो…
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Microscope का आविष्कार किसने किया?
माइक्रोस्कोप का इस्तेमाल ज्यादातर लेबोरेटरी में किया जाता है. इसका इस्तेमाल किसी भी सूक्ष्म वस्तु को देखने के लिए किया…
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The Invention of Log-laid Road
Nicknamed corduroy road, Log-laid Roads consist of whole logs, or logs split down the middle, that is laid across the…
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The Invention of Gule
We may not make direct use of adhesives every day. But glue is an important component of many common manufactured…
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The Invention of Canal
China’s grand canal completed in the thirteenth century and stretching almost 1,200 miles (1, 930 km) from northern Beijing to…
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The Invention of Rowboat
Although it is common knowledge that rowboat was used as far back as 3000 B.C.E. in Egypt as a means…
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The Invention of Toothpaste
The Development of pastes designed to clean teeth and freshen the breath began in Egypt as early as 5000 B.C.E…
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The Invention of Plaster
Plaster goes by various names- plaster of Pairs, Partly dehydrated gypsum, or calcium sulfate hemihydrate. Gypsum is a common mineral…
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The Invention of Scratch Plow
Around 9500 B.C.E. in a number of populations distant from one another people began to select and cultivate plants for…
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The Invention of Axe
More than a million years ago members of the species homo erects were making stone tools designed for chopping that…
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