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“The Knowledge Library”
Knowledge for All, without Barriers…
An Initiative by: Kausik Chakraborty.
“The Knowledge Library”
Knowledge for All, without Barriers……….
Knowledge for All, without Barriers…
3D stands for three-dimensional. “Regular” movies are 2D, or two-dimensional. What are dimensions, and what’s the difference? Dimensions are properties of space. They refer to extension in a particular direction. For example, two-dimensional (2D) images have two dimensions: length and width. Think of a picture drawn on …
Can you feel the pressure? It’s around you…all the time…everywhere you go. What is it? Atmospheric pressure — often referred to simply as air pressure — is the constant force exerted on you by the weight of little particles of air. These tiny air particles, called air molecules, …
Mass measures the number of atoms in an object, combined with the density of those atoms. Mass is how much “stuff” is in an object. Mass isn’t the same as size, though. For example, a helium balloon is much bigger than a lead bullet, but it’s also lighter and …
The first bridges were most likely simple logs placed over small streams. The science of engineering has come a long way since then. Now, bridges of many types are used to make it easier to cross over a variety of obstacles, including waterways, valleys, …
You may be thinking, “I’ve seen a lot of grass and none of it’s blue!” You’re right. Kentucky Bluegrass is a funny name, as it turns out because it didn’t come from Kentucky, and the lawns of Kentucky Bluegrass are …
Eating in space can be a real challenge. Why? There’s not enough gravity! If you let go of a French fry, it will float off and drift around your spaceship! Good luck holding onto your dinner. How about a cup of …
Books have been around for thousands of years. When ancient civilizations first started developing writing systems, they would write on just about anything, from stone to tree bark. Ancient Egyptians were the first to use paper-like materials, called “papyrus,” which they made by pounding flat the woven …
Socio-Religious Movements Although religion reform was an integral part of these movements none of them were totally religious in character. They were humanists in aspiration and rejected salvation and otherworldliness as the agenda. They focused on worldly existence. The socio-cultural …
The nucleus of the Congress leadership consisted of men from Bombay and Calcutta who had first come together in London in the late 1860s and early ’70s while studying for the ICS or law—Pherozeshah Mehta, Badruddin Tyabji, W.C. Bonnerji, Manmohan …
Introduction British power was established in India after prolonged conquests and consolidation. These were met by minor resistances by routed Nawabs, zamindars, landowners, and supported by tribals and peasants. The main cause of localized rebellions by civilians was the changes …
Introduction The Sepoy’s of Meerut reached Delhi and killed the European officers and entered the red fort. They urged the Mughal Emperor Bahadur shah [a pensioner for the East India Company] to become their leader and give legitimacy to their cause. The Mughal emperor was initially reluctant but gave in and was declared Shahenshah of Hindustan. The capture …
Introduction Till well into the twentieth century, the British Government in India was basically an autocracy of hierarchically organized officials headed by the Viceroy and the Secretary of State, while the ultimate Parliamentary control was spasmodic and largely theoretical. …
एक छोटी सी अच्छी आदत आपकी सोच बदल सकती हैं, और सभी बाधाएं दूर हो सकती हैं। एक प्रचलित कथा के अनुसार पुराने समय में दो दोस्त थे। बचपन में दोनों साथ पढ़ते और खेलते थे। पढ़ाई पूरी होने के …
एक घर में दो भाई रहते थे। छोटी उम्र में ही उनके माता और पिता की मृत्यु हो गई थी। इस भरी विपत्ति को सहते हुए वे अपने खेतों में बड़ी मेहनत से काम करते थे। कुछ वर्षों के बाद …
Agrarian Policy India was known for agriculture and handicraft. The national income, foreign trade, industrial expansion all economic activities depended on agriculture. British however started a policy of ruthless revenue collection without caring for the cultivators. The principal …
Introduction The province of Bengal was the most fertile and suitable for trade and commerce. The British saw its importance and established a factory in Calcutta. The Farman issued by the Mughal emperor allowed free trade in Bengal but the …
Trade routes to India India was famous for spices which were in high demand in European cuisine. The three prominent trade routes till the 15th century were through central Asia, through the red sea, and then Egypt and Europe via …
Introduction After the decline of the Mughal Empire, many kingdoms declared independence and newer states emerged in India. Hyderabad: Hyderabad was founded by Nizam ul Mulk Asaf Jah in 1724. He was a noble of the Muhammad shah the Mughal emperor. His repeated …