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i need short note on arybhatta,and abdul kalam mainly about their childhood

Asked by Sourashis Sarka...(student) , on 28/9/13

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Aryabhata ( IAST : Āryabhaṭa , Sanskrit : आर्यभट ) (476–550 CE ) was the first in the line of great mathematician - astronomers from the classical age of Indian mathematics and Indian astronomy . His most famous works are the Āryabhaṭīya (499 CE, when he was 23 years old) and the Arya-siddhanta . Aryabhata mentions in the Aryabhatiya that it was composed 3,630 years into the Kali Yuga , when he was 23 years old. This corresponds to 499 CE, and implies that he was born in 476

Aryabhata was born in Taregna (literally, song of the stars), which is a small town in Bihar, India, about 30km (19mi) from Patna (then known as Pataliputra), the capital city of Bihar State. Evidences justify his birth there. In Taregna Aryabhata set up an Astronomical Observatory in the Sun Temple 6th century[1].

There is no evidence that he was born outside Patliputra and traveled to Magadha, the centre of instruction, culture and knowledge for his studies where he even set up a coaching institute. [3] However, early Buddhist texts describe Ashmaka as being further south, indakshinapathor theDeccan, while other texts describe the Ashmakas as having foughtAlexander.

vul Pakir Jainulabdeen Abdul Kalampronunciation ( help · info ) ; born 15 October 1931) usually referred to asA. P. J. Abdul Kalam, is a renownedaerospace engineer,professor(of Aerospace engineering), and firstChancellorof theIndian Institute of Space Science and Technology Thiruvananthapuram(IIST), who served as the11thPresident of Indiafrom 2002 to 2007. During his term as President, he was popularly known as thePeople 's President. He was awarded theBharat Ratna, India 's highest civilian honour in 1997.

Before his term as the President of India, he worked as anaerospace engineerwithDefence Research and Development Organisation(DRDO) andIndian Space Research Organisation(ISRO). He is popularly known as theMissile Man of Indiafor his work on the development ofballistic missileand space rocket technology. [1] Kalam played a pivotal organizational, technical and political role in India 's Pokhran-II nuclear tests in 1998, the first since theoriginal nuclear test by Indiain 1974. Kalam has even been circled with various controversies as many scientific experts called him a man with no authority over "nuclear physics" and a man who just carried on the works ofHomi J. BhabhaandVikram Sarabhai. [2]

He is currently a visiting professor atIndian Institute of Management AhmedabadandIndian Institute of Management Indore,ChancellorofIndian Institute of Space Science and Technology Thiruvananthapuram, a professor of Aerospace Engineering atAnna University(Chennai), JSS University (mysore), and an adjunct/visiting faculty at many other academic and research institutions across India.

In May 2011, Kalam launched his mission for the youth of the nation called theWhat Can I Give Movementwith a central theme to defeatcorruption. [3] [4] Kalam is better known as a scientist, but he also has a special interest writingTamilpoetry, and also in playing the musical instrumentVeenai. [5]

Posted by Abdullah Arif(student)on 21/3/12

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thanx abdullah but i need short

Posted by Sowmiya Sri(student)on 22/3/12

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Aryabhatta (476-550 A.D.) was born in Patliputra in Magadha, modern Patna in Bihar. Many are of the view that he was born in the south of India especially Kerala and lived in Magadha at the time of the Gupta rulers; time which is known as the golden age of India. There is no evidence that he was born outside Patliputra and traveled to Magadha, the centre of education and learning for his studies where he even set up a coaching centre. His first name "Arya" is hardly a south Indian name while "Bhatt" (or Bhatta) is a typical north Indian name even found today specially among the "Bania" (or trader) community.

he lived in Patliputra where he wrote his famous treatise the "Aryabhatta-siddhanta" but more famously the "Aryabhatiya", the only work to have survived. It contains mathematical and astronomical theories that have been revealed to be quite accurate in modern mathematics. For instance he wrote that if 4 is added to 100 and then multiplied by 8 then added to 62,000 then divided by 20,000 the answer will be equal to the circumference of a circle of diameter twenty thousand. This calculates to 3.1416 close to the actual value Pi (3.14159). But his greatest contribution has to be zero. His other works include algebra, arithmetic, trigonometry, quadratic equations and the sine table.

He already knew that the earth spins on its axis, the earth moves round the sun and the moon rotates round the earth. He talks about the position of the planets in relation to its movement around the sun. He refers to the light of the planets and the moon as reflection from the sun. He goes as far as to explain the eclipse of the moon and the sun, day and night, the contours of the earth, the length of the year exactly as 365 days.
He even computed the circumference of the earth as 24835 miles which is close to modern day calculation of 24900 miles.

This remarkable man was a genius and continues to baffle many mathematicians of today. His works was then later adopted by the Greeks and then the Arabs.Aryabhatta (476-550 A.D.) was born in Patliputra in Magadha, modern Patna in Bihar. Many are of the view that he was born in the south of India especially Kerala and lived in Magadha at the time of the Gupta rulers; time which is known as the golden age of India. There is no evidence that he was born outside Patliputra and traveled to Magadha, the centre of education and learning for his studies where he even set up a coaching centre. His first name "Arya" is hardly a south Indian name while "Bhatt" (or Bhatta) is a typical north Indian name even found today specially among the "Bania" (or trader) community.

Abdul kalam personal life was full of struggles and hard work. Kalam 's father was a devout Muslim, who owned boats which he rented out to local fishermen and was a good friend of Hindu religious leaders and the school teachers at Rameshwaram. APJ Abdul Kalam mentions in his biography that to support his studies, he started his career as a newspaper vendor.On Wednesday April 29, 2009, Abdul kalam became the first Asian to be bestowed the Hoover Medal, America 's top engineering prize, for his outstanding contribution to public service.Abdul Kalam is the Third President of India to have been honoured with a Bharat Ratna before being elected to the highest office, the other two being Sarvepalli Radhakrishnan and Zakir Hussain.

Family Background

 He was born on 15th October, 1931 in Tikundi of Dhanuskodi in the district of Rameswaram, TamilNadu. His father was Jainaluddin, mother Ashiamma. His full name is Abdul Pakir Jainaluddin Abdul Kalam.

Childhood Days

His father, Jainaluddin was a poor boatman, who earned very little and so they had to face utter hardship. Little Kalam loved the sea very much and spent hours on the sea beach watching the waves of the blue ocean. His parents were very simple and religious that influenced his lifestyle. He is strictly vegetarian. The spiritual simplicity of his parents has turned him to be today’s Kalam who believes in God, reads Koran and Gita daily, an ideal secular Indian in the truest sense of the term. His mother kindled the tender feelings within himself which infuses him to practise music and poems.

Posted by Pallavi(student)on 22/3/12

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Posted by Madhura Sarkar(MeritNation Expert)on 30/9/13

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