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Meghnad Saha
Meghnad Saha (6 October 1893 – 16 February 1956) was an Indian astrophysicist who developed the Saha ionization equation, used to describe chemical and physical conditions in stars. His work allowed astronomers to accurately relate the spectral classes of stars to their actual temperatures. He was elected to the Parliament of India in 1952 from Calcutta. Biography Meghnad Saha was born in 1893 in a very poor family in Shaoratoli, a village near Dhaka-Bikrampur, in the former Bengal Presidency of British India (in present-day Village- Shaoratoli, Thana- Kaliakair, District- Gazipur, Bangladesh). Son of Jagannath Saha (a grocer) and Smt. Bhubneshwari Devi, Meghnad struggled to rise in life. During his early schooling he was forced to leave Dhaka Collegiate School because he participated in the Swadeshi movement. He earned his Indian School Certificate from Dhaka College. He was also a student at the Presidency College, Kolkata and Rajabazar Science College CU. As a stude ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dhaka District
Dhaka District ( bn, ঢাকা জেলা, Dhaka jela) is a district in central Bangladesh, and is the densest district in the nation. It is a part of the Dhaka Division. Dhaka, the capital of Bangladesh, and rests on the eastern banks of the Buriganga River which flows from the Turag to the southern part of the district. While Dhaka (city corporation) occupies only about a fifth of the area of Dhaka district, it is the economic, political and cultural centre of the district and the country as a whole. Dhaka District consists with Dhaka, Keraniganj , Nababganj, Dohar, Savar and Dhamrai upazila. Dhaka District is an administrative entity, and like many other cities it does not cover the modern conurbation which is Greater Dhaka, which has spilled into neighbouring districts, nor does the conurbation cover the whole district, as there are rural areas within the district. Geography Dhaka District shares borders with Gazipur and Tangail to the north, Munshiganj and Rajba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Samarendra Kumar Mitra
Samarendra Kumar Mitra (14 March 1916 – 26 September 1998) was an Indian scientist and mathematician. He designed, developed and constructed, in 1953-54, India's first computer (an electronic analog computer) at the Indian Statistical Institute (ISI), Calcutta (presently Kolkata). He began his career as a research physicist at the Palit Laboratory of Physics, Rajabazar Science College (University of Calcutta). In 1950, he joined the Indian Statistical Institute (ISI), Calcutta, an Institute of National importance, where he worked in various capacities such as professor, research professor and director. Mitra was the founder and first head of the Computing Machines and Electronics Division at the Indian Statistical Institute (ISI), Calcutta. In 1953-54, India's first indigenous electronic analogue computer for solving linear equations with 10 variables and related problems was designed and developed by Samarendra Kumar Mitra and was built under his direct personal supervision ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
YouTube
YouTube is a global online video platform, online video sharing and social media, social media platform headquartered in San Bruno, California. It was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim. It is owned by Google, and is the List of most visited websites, second most visited website, after Google Search. YouTube has more than 2.5 billion monthly users who collectively watch more than one billion hours of videos each day. , videos were being uploaded at a rate of more than 500 hours of content per minute. In October 2006, YouTube was bought by Google for $1.65 billion. Google's ownership of YouTube expanded the site's business model, expanding from generating revenue from advertisements alone, to offering paid content such as movies and exclusive content produced by YouTube. It also offers YouTube Premium, a paid subscription option for watching content without ads. YouTube also approved creators to participate in Google's Google AdSens ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British India
The provinces of India, earlier presidencies of British India and still earlier, presidency towns, were the administrative divisions of British governance on the Indian subcontinent. Collectively, they have been called British India. In one form or another, they existed between 1612 and 1947, conventionally divided into three historical periods: *Between 1612 and 1757 the East India Company set up Factory (trading post), factories (trading posts) in several locations, mostly in coastal India, with the consent of the Mughal emperors, Maratha Empire or local rulers. Its rivals were the merchant trading companies of Portugal, Denmark, the Netherlands, and France. By the mid-18th century, three ''presidency towns'': Madras, Bombay and Calcutta, had grown in size. *During the period of Company rule in India (1757–1858), the company gradually acquired sovereignty over large parts of India, now called "presidencies". However, it also increasingly came under British government over ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dhaka-Bikrampur
Bikrampur ("City of Courage") was a pargana situated south of Dhaka, the modern capital city of Bangladesh. In the present day, it is known as Munshiganj District of Bangladesh. It is a historic region in Bengal and was a part of the Bhawal Estate. History Early history Ashoka, the emperor of the Maurya Dynasty, ruled all of major parts of Bengal from ca. 269 BC to 232 BC. Being a devotee of Gautama Buddha, he propagated Buddhism across his kingdom which included Bikrampur to the east. Following the high ideals of this religion, Pala Kings came to Bikrampur to rule the region. Pala Era The second ruler of Pala Empire, Dharmapal, built a Buddhist monastery in Bikrampur during his reign in 770–810. After his death, his son, Devapala ruled this area until 850 CE. Then the region is successively ruled by Vigrahapala I, Narayanapala, Rajyapala, Gopala II, Vigrahapala II, Mahipala, Naya Pala, Vigrahapala III, Mahipala II, Shurapala II, Ramapala, Kumarapala, Gopala III and Mada ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Meghnad Saha 1934
Meghanada (), also referred to by his epithet Indrajita , according to Hindu texts, was the crown prince of Lanka, who conquered Indraloka (Heaven). He is regarded as one of the greatest warriors in Hindu texts. He is a major character mentioned in the Indian epic ''Ramayana.'' Meghnada is the central character in Bengali ballad ''Meghnad Badh Kavya''. He played an active role in the great war between Rama and Ravana. He acquired many kinds of celestial weapons from his Guru Shukra. His most prominent feat is having defeated the devas in heaven. Using the Brahmastra, Indrajita killed 670 million vanaras in a single day; nearly exterminating the entirety of the vanara race. No warrior had ever achieved this statistical feat before in the Ramayana. Etymology Indrajita had the special ability to fight from the sky, hidden behind the clouds. That is why both Rama and Lakshmana were defeated during the battle and were tied up by the snake. In Sanskrit, the literal translation of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parliament Of India
The Parliament of India (International Alphabet of Sanskrit Transliteration, IAST: ) is the supreme legislative body of the Republic of India. It is a bicameralism, bicameral legislature composed of the president of India and two houses: the Rajya Sabha (Council of States) and the Lok Sabha (House of the People). The president in his role as head of the legislature has full powers to summon and prorogue either house of Parliament or to dissolve the Lok Sabha. The president can exercise these powers only upon the advice of the prime minister of India, prime minister and his Union Council of Ministers. Those elected or nominated (by the president) to either house of Parliament are referred to as member of Parliament (India), members of Parliament (MPs). The member of Parliament, Lok Sabha, members of parliament of the Lok Sabha are direct election, directly elected by the Indian public voting in single-member districts and the member of Parliament, Rajya Sabha, members of parliam ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Star
A star is an astronomical object comprising a luminous spheroid of plasma (physics), plasma held together by its gravity. The List of nearest stars and brown dwarfs, nearest star to Earth is the Sun. Many other stars are visible to the naked eye at night sky, night, but their immense distances from Earth make them appear as fixed stars, fixed points of light. The most prominent stars have been categorised into constellations and asterism (astronomy), asterisms, and many of the brightest stars have proper names. Astronomers have assembled star catalogues that identify the known stars and provide standardized stellar designations. The observable universe contains an estimated to stars. Only about 4,000 of these stars are visible to the naked eye, all within the Milky Way galaxy. A star's life star formation, begins with the gravitational collapse of a gaseous nebula of material composed primarily of hydrogen, along with helium and trace amounts of heavier elements. Its stellar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stellar Classification
In astronomy, stellar classification is the classification of stars based on their stellar spectrum, spectral characteristics. Electromagnetic radiation from the star is analyzed by splitting it with a Prism (optics), prism or diffraction grating into a spectrum exhibiting the Continuum (spectrum), rainbow of colors interspersed with spectral lines. Each line indicates a particular chemical element or molecule, with the line strength indicating the abundance of that element. The strengths of the different spectral lines vary mainly due to the temperature of the photosphere, although in some cases there are true abundance differences. The ''spectral class'' of a star is a short code primarily summarizing the ionization state, giving an objective measure of the photosphere's temperature. Most stars are currently classified under the Morgan–Keenan (MK) system using the letters ''O'', ''B'', ''A'', ''F'', ''G'', ''K'', and ''M'', a sequence from the hottest (''O'' type) to the coo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Encyclopædia Britannica
The (Latin for "British Encyclopædia") is a general knowledge English-language encyclopaedia. It is published by Encyclopædia Britannica, Inc.; the company has existed since the 18th century, although it has changed ownership various times through the centuries. The encyclopaedia is maintained by about 100 full-time editors and more than 4,000 contributors. The 2010 version of the 15th edition, which spans 32 volumes and 32,640 pages, was the last printed edition. Since 2016, it has been published exclusively as an online encyclopaedia. Printed for 244 years, the ''Britannica'' was the longest running in-print encyclopaedia in the English language. It was first published between 1768 and 1771 in the Scottish capital of Edinburgh, as three volumes. The encyclopaedia grew in size: the second edition was 10 volumes, and by its fourth edition (1801–1810) it had expanded to 20 volumes. Its rising stature as a scholarly work helped recruit eminent con ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ashoke Kumar Sen
Ashoke Kumar Sen (10 October 1913 – 21 September 1996) was an Indian barrister, a former Cabinet minister of India, and an Indian parliamentarian. He also holds the record for winning a Lok Sabha seat the most times and also the record for being not only an MP for the most years, but also a cabinet minister – serving more than 7 prime ministers. For decades, he was the inevitable Union Law Minister. Background Ashoke Kumar Sen was born in 1913 in a well-known Baidya-Brahmin family. His father was a district magistrate. Both Ashoke Kumar Sen and Sukumar Sen were students of Sambalpur High School, Odisha wherein Late Mr. Suryamani Jena of village Kusupur was the Principal. His elder brother, Sukumar Sen ICS (b. 1899), who went on to become India, Sudan and Nepal's first Chief Election Commissioner, funded his education in England, at the London School of Economics. Ashoke Sen went on to study for the Bar at Gray's Inn. Upon his return, he started teaching law at the City ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
