World Colleges

Know More Facts and Be Proud to be INDIAN!

2014-01-22T16:35:00.002+05:30

The name 'India' is derived from the River Indus, the valleys around which were the home of the early settlers. The Aryan worshippers referred to the river Indus as the Sindhu.
The Persian invaders converted it into Hindu. The name 'Hindustan' combines Sindhu and Hindu and thus refers to the land of the Hindus.
Chess was invented in India
Algebra, Trigonometry and Calculus are studies, which originated in India.
The 'Place Value System' and the 'Decimal System' were developed in India in 100 B.C.
The World's First Granite Temple is the Brihadeswara Temple at Tanjavur, Tamil Nadu. The shikhara of the temple is made from a single 80-tonne piece of granite. This magnificent temple was built in just five years, (between 1004 AD and 1009 AD) during the reign of Rajaraja Chola.

The game of Snakes & Ladders was created by the 13th century poet saint Gyandev. It was originally called 'Mokshapat'. The ladders in the game represented virtues and the snakes indicated vices. The game was played with cowrie shells and dices. In time, the game underwent several modifications, but its meaning remained the same, i.e. good deeds take people to heaven and evil to a cycle of re-births.
The world's highest cricket ground is in Chail, Himachal Pradesh. Built in 1893 after leveling a hilltop, this cricket pitch is 2444 meters above sea level.
India has the largest number of Post Offices in the world.
The largest employer in India is the Indian Railways, employing over a million people.
The world's first university was established in Takshila in 700 BC. More than 10,500 students from all over the world studied more than 60 subjects. The University of Nalanda built in the 4th century was one of the greatest achievements of ancient India in the field of education.

Ayurveda is the earliest school of medicine known to mankind. The Father of Medicine, Charaka, consolidated Ayurveda 2500 years ago.
India was one of the richest countries till the time of British rule in the early 17th Century. Christopher Columbus, attracted by India's wealth, had come looking for a sea route to India when he discovered America by mistake.
The Art of Navigation & Navigating was born in the river Sindh over 6000 years ago. The very word Navigation is derived from the Sanskrit word 'NAVGATIH'. The word navy is also derived from the Sanskrit word 'Nou'.
Bhaskaracharya rightly calculated the time taken by the earth to orbit the Sun hundreds of years before the astronomer Smart. According to his calculation, the time taken by the Earth to orbit the Sun was 365.258756484 days.
The value of "pi" was first calculated by the Indian Mathematician Budhayana, and he explained the concept of what is known as the Pythagorean Theorem. He discovered this in the 6th century, long before the European mathematicians.
Algebra, Trigonometry and Calculus also originated in India.Quadratic Equations were used by Sridharacharya in the 11th century. The largest numbers the Greeks and the Romans used were 106 whereas Hindus used numbers as big as 10*53 (i.e. 10 to the power of 53) with specific names as early as 5000 B.C.during the Vedic period.Even today, the largest used number is Terra: 10*12(10 to the power of 12).
Until 1896, India was the only source of diamonds in the world
(Source: Gemological Institute of America).
The Baily Bridge is the highest bridge in the world. It is located in the Ladakh valley between the Dras and Suru rivers in the Himalayan mountains. It was built by the Indian Army in August 1982.
Sushruta is regarded as the Father of Surgery. Over2600 years ago Sushrata & his team conducted complicated surgeries like cataract, artificial limbs, cesareans, fractures, urinary stones, plastic surgery and brain surgeries.
Usage of anaesthesia was well known in ancient Indian medicine. Detailed knowledge of anatomy, embryology, digestion, metabolism,physiology, etiology, genetics and immunity is also found in many ancient Indian texts.
India exports software to 90 countries.
The four religions born in India - Hinduism, Buddhism, Jainism, and Sikhism, are followed by 25% of the world's population.
Jainism and Buddhism were founded in India in 600 B.C. and 500 B.C. respectively.
Islam is India's and the world's second largest religion.
There are 300,000 active mosques in India, more than in any other country, including the Muslim world.
The oldest European church and synagogue in India are in the city of Cochin. They were built in 1503 and 1568 respectively.
Jews and Christians have lived continuously in India since 200 B.C. and 52 A.D. respectively
The largest religious building in the world is Angkor Wat, a Hindu Temple in Cambodia built at the end of the 11th century.
The Vishnu Temple in the city of Tirupathi built in the 10th century, is the world's largest religious pilgrimage destination. Larger than either Rome or Mecca, an average of 30,000 visitors donate $6 million (US) to the temple everyday.
Sikhism originated in the Holy city of Amritsar in Punjab. Famous for housing the Golden Temple, the city was founded in 1577.
Varanasi, also known as Benaras, was called "the Ancient City" when Lord Buddha visited it in 500 B.C., and is the oldest, continuously inhabited city in the world today.
India provides safety for more than 300,000 refugees originally from Sri Lanka, Tibet, Bhutan, Afghanistan and Bangladesh, who escaped to flee religious and political persecution.
His Holiness, the Dalai Lama, the exiled spiritual leader of Tibetan Buddhists, runs his government in exile from Dharmashala in northern India.
Martial Arts were first created in India, and later spread to Asia by Buddhist missionaries.
Yoga has its origins in India and has existed for over 5,000 எஅர்ஸ்

CBSE 12th Results 2012

2012-05-28T10:07:00.001+05:30

CBSE Senior Secondary (Class 12) Examination Results 2012 - ALL REGIONS!

Click Here

CBSE 10th Results 2012

2012-05-28T10:06:00.001+05:30

CBSE Secondary (Class 10) Examination Results 2012 - ALL REGIONS! Click Here

Tamil Nadu Engineering Admissions 2012 Schedule

2012-05-23T14:14:00.002+05:30

Tamil Nadu Engineering Admissions (TNEA) 2012-2013 Schedule
Issue of notification inviting Application for Admission to B.E./B.Tech.	06-May-2012
Issue of Application Forms	11-May-2012
Publication of H. Sc results	22-May-2012
Last Date for Issue of Application	31-May-2012
Last Date for Submission of Filled- Applications	31-May-2012
Assigning Random Number	20-June-2012
Publication of Rank list	24-June-2012
Counselling for Sports Quota	01-July-2012
Counselling for Vocational Candidates - Phase I	03-July-2012 to 07-July-2012
Counselling for Differently Abled Persons	08-July-2012
Commencement of Academic General Counselling	09-July-2012 to 12-August-2012

Thanks to www.collegesintamilnadu.com

Tamilnadu 10th Result 2012

2012-05-23T14:04:00.000+05:30

Tamil Nadu 10th Result / Tamil Nadu SSLC Results 2012 will be Published on

www.worldcolleges.info

2012 12th Results

2012-05-22T11:34:00.002+05:30

சென்னை: தமிழகம் முழுவதும் நடந்து முடிந்து பிளஸ் 2 தேர்வு முடிவுகள் இன்று காலை வெளியானது. இந்த முடிவின்படி நாமக்கல்லை சேர்ந்த மாணவி சுஸ்மிதா முதலிடத்தையும், 2 வது , 3 வது இடத்தையும் நாமக்கல் மாவட்ட மாணவிகளே பிடித்தனர். தேர்வு முடிவை தேர்வுத்துறை இயக்குநர் வசுந்தரா தேவி வெளியிட்டார். www.worldcolleges.info இணையதளத்தில் ரிசல்ட்டுக்காக பதிவு செய்தவர்களுக்கு உடனுக்குடன் தகவல் போய்ச்சேர்ந்தது.

கடந்த மார்ச் மாதம் 8ம் தேதி துவங்கிய இந்த தேர்வில் 7 லட்சத்து 60 ஆயிரத்து 975 மாணவ, மாணவிகள் எழுதினர். முடிவுகள் அந்தந்த பள்ளிகளிலும் ஒட்டப்பட்டன. வெற்றி பெற்ற மகிழ்ச்சியில் மாணவ, மாணவிகள் ஒருவருக்கொருவர் கை குலுக்கி வாழ்த்து தெரிவித்து கொண்டனர்.

முதல் 3 இடங்களை பிடித்தவர்கள்: முதல் ரேங்க், சுஸ்மிதா ( 1189 மார்க்குகள்) எஸ்.கே.பி., மேல்நிலைப்பள்ளி , நாமக்கல், இரண்டாமிடம் ; கார்த்திகா, அசோக்குமார், மணிகண்டன் ஆகிய 3 பேரும் 2 ம் இடத்தை பிடித்துள்ளனர், நாமக்கல், 3 ம் இடத்தை 2 பேர் பிடித்துள்ளனர். முதல் 3 இடங்களையும் மொத்தமாக நாமக்கல் மாவட்டம் அள்ளியது.

Thanks to dinamalar

Tancet Results 2012

2012-04-28T17:58:00.000+05:30

Tancet Results 2012 - Click Here

Lotus Temple

2012-04-12T15:29:00.002+05:30

தாமரைக் கோயில் (Lotus temple) என்பது இந்தியாவில் தில்லியில் உள்ள பஹாய் வழிபாட்டுத்தலம் ஆகும். அதன் தாமரை மலர் போன்ற வடிவத்தின் காரணமாக தாமரைக் கோயில் என அறியப்படுகிறது. பஹாய் வழிபாட்டுத்தலம் டெல்லியின் வசீகரமான இடமாக உள்ளது. 1986 ஆம் ஆண்டு கட்டிமுடிக்கப்பட்ட இது இந்தியத் துணைக்கண்டத்தின் தாய்க் கோயிலாகக் கருதப்படுகிறது. இது எண்ணற்ற கட்டடக்கலை விருதுகளை வென்றுள்ளது.

1986 ஆம் ஆண்டு டிசம்பர் மாதத்தில் பொதுமக்கள் வழிபாட்டிற்காக டெல்லியில் உள்ள பாஹாய் வழிப்பாட்டுத்தளம் திறந்து வைக்கப்பட்டது. இதுமுதல், 2002 ஆம் ஆண்டின் பிற்பகுதி வரை இங்கு 50 மில்லியனுக்கும் அதிகமானோர் வருகை தந்துள்ளனர். இதன் காரணமாக உலகில் மிகவும் அதிகமாக வருகை தரப்பட்ட கட்டடங்களில் இதுவும் ஒன்றானது.இதனுடைய புகைப்படங்கள் சில

6.50 ரூபாய் தபால் அஞ்சல்தலைகளானது இந்தியாவில் புதுதில்லியில் உள்ள பாஹாய் வழிபாட்டுத்தளத்தைக் கொண்டுள்ளன

A Golden Opportunity for Graduates

2012-03-08T14:24:00.000+05:30

TamilNadu HSC 2012 TimeTable

2012-02-24T10:24:00.000+05:30

HOURS:

10.00 am to 10.10 am – Reading the question paper
10.10 am to 10.15 am–Filling up particulars in the answer sheet
10.l5 am to 1.15 pm – Duration of the examination

Exam Details :

08.03.2012    - THURSDAY    -    LANGUAGE PAPER I
09.03.2012    -   FRIDAY         -    LANGUAGE PAPER II
12.03.2012    - MONDAY      -     ENGLISH PAPER I
13.03.2012    - TUESDAY      -        ENGLISH PAPER II
16.03.2012    - FRIDAY           -        PHYSICS,ECONOMICS,PSYCHOLOGY
19.03.2012    - MONDAY        -        MATHEMATICS,ZOOLOGY,MICRO-BIOLOGY,NUTRITION

                                                              & DIETETICS
20.03.2012    - TUESDAY      -        COMMERCE,HOME SCIENCE,GEOGRAPHY.
22.03.2012    - THURSDAY   -         CHEMISTRY,ACCOUNTANCY,SHORTHAND
26.03.2012    - MONDAY       -         BIOLOGY,HISTORY,BOTANY,FOUNDATION

                                                              SCIENCE,BUSINESS MATHS
28.03.2012    - WEDNESDAY   -    COMMUNICATIVE ENGLISH,INDIAN CULTURE,COMPUTER SCIENCE,BIO-CHEMISTRY,ADVANCED LANGUAGE,TYPEWRITING
30.03.2012    - FRIDAY               -    ALL VOCATIONAL THEORY,POLITICAL

SCIENCE,NURSING (General),STATISTICS

Games

2012-02-21T09:59:00.001+05:30

Some different Games Photos

Bossaball:

Bossaball is a sport invented in Spain by Filip Eyckmans who developed the concept 2004. It is similar to volleyball, but also includes elements of football (soccer), gymnastics and capoeira

Biribol :

Biribol is the name of a sport, which resembles an aquatic variation of Volleyball

Fistball :

Fist Ball is a sport which is of European origin and is similar to volleyball in that player tries to hit a ball over a net.

Entrance Exam Dates

2012-02-16T17:08:00.006+05:30

IIT - JEE 2012

Examination Date - April 8, 2012 (Sunday)

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AIEEA 2012 INDIAN COUNCIL OF AGRICULTURAL RESEARCH

UG - Saturday, the 14th April 2012 during 10:00-12:30 hrs
PG - Sunday, the 15th April 2012 during 10:00-12:30 hrs

for more details www.icarexam.net

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AIR FORCE COMMON ADMISSION TEST

Date - 26 FEB 2012

for more details www.careerairforce.nic.in

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Humanities & Social Science Entrance Examination (HSEE-2012 Examination)

Date - 10:00–13:00 hours on May 06, 2012

for more details www.hsee.iitm.ac.in

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BioInformatics National Certification (BINC) Examination

Date - 25 - 26 February 2012

Karnataka Details

2012-02-14T09:52:00.001+05:30

Karnataka is a state in South West India. It was created on 1 November 1956.The capital and largest city is Bangalore.

There are 30 districts in Karnataka:

Bagalkote
Bangalore Rural
Bangalore Urban
Belgaum
Bellary
Bidar
Bijapur
Chamarajanagar
Chikkaballapur
Chikkamagaluru
Chitradurga
Dakshina Kannada
Davanagere
Dharwad
Gadag
Gulbarga
Hassan
Haveri
Kodagu
Kolar
Koppal
Mandya
Mysore
Raichur
Ramanagara
Shimoga
Tumkur
Udupi
Uttara Kannada
Yadgir

Each district is governed by a district commissioner or district magistrate. The districts are further divided into sub-divisions, which are governed by sub-divisional magistrates; sub-divisions comprise blocks containing panchayats (village councils) and town municipalities.

As per the 2001 census, Karnataka's six largest cities sorted in order of decreasing population were, Bangalore, Hubli-Dharwad, Mysore, Gulbarga, Belgaum and Mangalore. Bangalore is the only city with a population of more than one million. Bangalore Urban, Belgaum and Gulbarga are the most populous districts, each of them having a population of more than three million. Gadag, Chamarajanagar and Kodagu districts have a population of less than one million

There are 481 degree colleges affiliated with one of the universities in the state, viz. Bangalore University, Gulbarga University, Karnatak University, Kuvempu University, Mangalore University and Mysore University.^. In 1998, the engineering colleges in the state were brought under the newly formed Visvesvaraya Technological University headquartered at Belgaum, whereas the medical colleges are run under the jurisdiction of the Rajiv Gandhi University of Health Sciences. Some of these baccalaureate colleges are accredited with the status of a deemed university. There are 186 engineering, 39 medical and 41 dental colleges in the state

Brahadeeswara Temple,Thanjavur Photos

2012-02-07T15:52:00.007+05:30

தஞ்சைப் பெருவுடையார் கோயில் அல்லது பிரகதீசுவரர் கோயில் அல்லது தஞ்சை பெரிய கோயில் தஞ்சாவூரிலுள்ள இந்து சமயக் கோயிலும் உலகப் பாரம்பரியச் சின்னமும் ஆகும்.இக்கோயில் இராஜராஜ சோழ மன்னனால் கட்டப்பட்டது.இன்று தமிழகத்தின் மிக முக்கியமான சுற்றுலாத்தலமாக விளங்கும்.

இது 1987ம் ஆண்டு ஐக்கிய நாடுகள் கல்வி, அறிவியல், பண்பாட்டு நிறுவனத்தால் உலக பாரம்பரிய சின்னமாக அறிவிக்கப்பட்டது.

1006ம் ஆண்டு கட்டத் தொடங்கி 1010ம் ஆண்டு முடிக்கப்பட்ட இந்த கோயிலுக்கு 2010வது ஆண்டோடு 1000 வயது பூர்த்தியாகின்றது.

இக்கோயிலின் கட்டிடக்கலை, சோழர்காலக் கட்டிடக்கலைக்கு நல்லதொரு எடுத்துக்காட்டாகக் கருதப்படுகிறது.

தஞ்சை பெரிய கோவிலுக்கு பெருமை சேர்க்கும் வகையில் மத்திய அரசு சார்பாக கடந்த 1954ம் ஆண்டு ஏப்ரல் 1ஆம் தேதி 1000 நோட்டை வெளியிட்டது. அதில் தஞ்சை பெரிய கோவில் எனப்படும் பிரகதீசுவரர் ஆலயத்தின் வியத்தகு தோற்றம் பதிக்கப்பட்டது.

சோழப் பேரரசின் விரிந்துவரும் பரப்பிற்கும் வளர்ந்து வரும் வசதிக்கும் ஓங்கிவரும் அதிகாரத்திற்கும் பொருத்தமாகக் கட்டடக் கலையில் தமிழருடைய சாதனையாக இந்தக் கோயிலை இராஜராஜன் கட்ட நினைத்தான் போலும் முக்கியமான கட்டடம் 150 அடி நீளம் இருக்கிறது. மிகப் பிரம்மாண்டமான விமானம் எகிப்தியப் பிரமிடுகளைப் போல கூர்நுனிக் கோபுரமாக அமைந்து கர்ப்பக்கிரகத்திலிருந்து 190 அடி உயரத்திற்கு ஓங்கி வளர்ந்திருக்கிறது. அக்காலத்தில் புவனேஸ்வரத்தில் கட்டப்பட்ட லிங்கராஜர் கோயிலின் உயரம் 160அடி. இராஜராஜேஸ்வரம் அதையும் மிஞ்சி விட்டமை குறிப்பிடத்தக்கது

இவற்றினுடைய பெருமிதத் தோற்றத்தையும் ஒருங்கிணைந்த திட்டத்தின் எளிமையான இயல்பையும் பாராட்டாமல் இருக்கமுடியாது. துணைச் சார்ந்த(Axial)மண்டபங்களும் விமானமும் அர்த்த மண்டபமும் மகாமண்டபமும் பெரிய நந்தியும் அவற்றிற்கேற்ற பொருத்தமான அளவுகளையுடைய ஒரு சுற்றுச் சுவருக்குள் அடங்கியிருக்கின்றன. இச்சுவரில் கிழக்கே ஒரு கோபுரம் இருக்கிறது. மதிலை ஒட்டி உள்பக்கமாக பல தூண்களுள்ள ஒரு நீண்ட மண்டபம் செல்லுகிறது. இது 35 உட்கோயில்களை இணைக்கிறது. நான்கு திக்குகளிலும் பல இடைவெளிகளுக்கு நடுவே கேந்திரமான இடங்களில் இந்த உட்கோயில்கள் கட்டப் பெற்றிருக்கின்றன. இரண்டாவது வெளிப் பிரகாரத்தின் வாயிலாக இருந்த இடத்தில் முன் பக்கத்தில் இரண்டாவது கோபுரம் இருக்கிறது.

தஞ்சைப் பெரியகோவிலில் உள்ள நந்தி ஒரே கல்லால் செய்யப்பட்டது. இதன் உயரம் 14 மீ, நீளம் 7 மீ, அகலம் 3 மீ ஆகும். நந்தி மண்டபம் நாயக்கர் காலத்தில் கட்டப்பட்டதாகக் கூறப்படுகிறது.

தஞ்சை பெரிய கோவிலின் ஆயிரம் ஆண்டு நிறைவு விழாவினை தஞ்சை மாநகரில் 2010 செப்டம்பர் 25, செப்டம்பர் 26-ந் தேதி ஆகிய 2 நாட்களுக்கு சிறப்புற நடத்தப்பட்டது.

Thirumalai Nayakkar Palace Photos

2012-02-07T15:43:00.002+05:30

திருமலை நாயக்கர் அரண்மனை அல்லது திருமலை நாயக்கர் மகால் என அழைக்கப்படும் அரண்மனை, மதுரையை ஆண்ட நாயக்க மன்னர்களில் ஒருவரான திருமலை நாயக்கரால் கி.பி. 1636 ஆம் ஆண்டில் கட்டுவிக்கப்பட்டது.

மதுரையில் அமைந்துள்ள இக் கட்டிடம், புகழ் பெற்ற மதுரை மீனாட்சி அம்மன் கோயிலிலிருந்து சுமார் 2 கிலோமீட்டர் தென்கிழக்குத் திசையில் அமைந்துள்ளது.

இந்த அரண்மனைத் தொகுதியில், இசை மண்டபம், நாடக சாலை, பல்லக்குச் சாலை, ஆயுத சாலை, வழிபாட்டிடம், வேறு அரச குடும்பத்தினர்க்கும், பணியாளர்களுக்குமான வசிப்பிடங்கள், அந்தப்புரம், பூங்காக்கள், தடாகங்கள் போன்ற பல்வேறு பகுதிகள் அடங்கியிருந்தன.

இந்து, முஸ்லிம் கட்டிடக் கலைப் பாணிகள் கலந்து அமைந்த இந்தோ சரசனிக் பாணி என அழைக்கப்படும் கட்டிடக்கலைப் பாணியில் வடிவமைக்கப் பட்டது

இந்த அரண்மனை, அக்காலத்தில் இரண்டு முக்கிய பகுதிகளைக் கொண்டதாக அமைந்திருந்தது. ஒன்று சொர்க்க விலாசம் என்றும் மற்றது ரங்க விலாசம் என்றும் அழைக்கப்பட்டன.

சொர்க்க விலாசம் மன்னரின் வசிப்பிடமாகவும், ரங்க விலாசம் அவரது தம்பியான முத்தியாலு நாயக்கரின் வசிப்பிடமாகவும் இருந்தது

இத்தாலியக் கட்டிடக் கலைஞர் ஒருவரால் வடிவமைக்கப்பட்டதாகக் கருதப்படும் இக் கட்டிடத்தின் நான்கில் ஒரு பகுதியே தற்போது எஞ்சியுள்ளதாகக் கருதப்படுகின்றது.

இந்த மஹால் 1971 ஆம் ஆண்டு தேசிய நினைவுச்சின்னமாக அறிவிக்கப்பட்டது. சுற்றுலா வளர்ச்சியை கருத்தில் கொண்டு 1981 ஆம் ஆண்டுமுதல் ஒலி-ஒளி காட்சி அமைக்கப்பட்டு இன்றுவரை நடந்து கொண்டு இருக்கிறது.

சுற்றுலா வளர்சிக் கழகம் சார்பில் நடைபெறும் இந்த ஒலி-ஒளி கட்சி நாள்தோறும் மலை 6.45 க்கு ஆங்கிலத்திலும், பின் இரவு 8 மணிக்கு தமிழிலும் நடைபெறுகிறது. இதன் மூலம் 2008-09 ஆண்டில் சுமார் 36 லட்சம் வரை வருவாய் ஈட்டப்பட்டது.

Tamil Nadu Details

2012-02-07T11:50:00.000+05:30

The administrative units of Tamil Nadu constitutes 39 Lok Sabha constituencies, 234 Assembly constituencies, 32 districts, 10 city corporations, 152 municipalities, 611 town panchayats and 12,618 village panchayats.

The 32 districts of Tamil Nadu are:

Chennai District
Coimbatore District
Cuddalore District
Dharmapuri District
Dindigul District
Erode District
Kanchipuram District
Kanyakumari District
Karur District
Krishnagiri District
Madurai District
Nagapattinam District
Namakkal District
Nilgiris District
Perambalur District
Ramanathapuram District
Salem District
Pudukkottai District
Sivaganga District
Thanjavur District
Theni District
Thoothukudi District
Thiruchirapalli District
Thirunelveli District
Thiruvallur District
Thiruvannamalai District
Thiruvarur District
Vellore District
Vizhuppuram District
Virudhunagar district
Ariyalur district
Tirupur district

Tamil Nadu has 37 universities, 455 engineering colleges^, 449 Polytechnic Colleges and 566 arts and science colleges, 34335 elementary schools, 5167 high schools, 5054 higher secondary schools and 5000 hospitals.

Some of the notable educational institutes present in Tamil Nadu are

University of Madras
IIT Madras
NIT Tiruchi
IIM Tiruchirappalli
College of Engineering, Guindy
PSG College of Technology
Coimbatore Institute of Technology
Madras Christian College
Christian Medical College
Vellore Institute of Technology
Thiagarajar College of Engineering
Bharathidasan Institute of Management
Madras Medical College
Loyola College
Ethiraj College for Women
Tamil Nadu Agricultural University
Madurai Medical College

The Indian Institute of Management is scheduled to open in Trichy by 2009–2010. Tamil Nadu produces the highest number of engineering graduates in India (around 1,75,000) every year.

Space Photos

2012-02-06T17:06:00.000+05:30

Unraveling a Butterfly's Aerial Antics Could Help Builders of Bug-Size Flying Robots

2012-02-06T16:51:00.000+05:30

generation of insect-size flying machines, Johns Hopkins engineers have been aiming high-speed video cameras at some of the prettiest bugs on the planet. By figuring out how butterflies flutter among flowers with amazing grace and agility, the researchers hope to help small airborne robots mimic these maneuvers.

U.S. defense agencies, which have funded this research, are supporting the development of bug-size flyers to carry out reconnaissance, search-and-rescue and environmental monitoring missions without risking human lives. These devices are commonly called micro aerial vehicles or MAVs.

"For military missions in particular, these MAVs must be able to fly successfully through complex urban environments, where there can be tight spaces and turbulent gusts of wind," said Tiras Lin, a Whiting School of Engineering undergraduate who has been conducting the high-speed video research. "These flying robots will need to be able to turn quickly. But one area in which MAVs are lacking is maneuverability."

To address that shortcoming, Lin has been studying butterflies. "Flying insects are capable of performing a dazzling variety of flight maneuvers," he said. "In designing MAVs, we can learn a lot from flying insects."

Lin's research has been supervised by Rajat Mittal, a professor of mechanical engineering. "This research is important because it attempts to not only address issues related to bio-inspired design of MAVs, but it also explores fundamental questions in biology related to the limits and capabilities of flying insects," Mittal said.

To conduct this study, Lin has been using high-speed video to look at how changes in mass distribution associated with the wing flapping and body deformation of a flying insect help it engage in rapid aerial twists and turns. Lin, a junior mechanical engineering major from San Rafael, Calif., recently presented some of his findings at the annual meeting of the American Physical Society's Division of Fluid Dynamics. The student also won second-prize for his presentation of this research at a regional meeting of the American Institute of Aeronautics and Astronautics.

"Ice skaters who want to spin faster bring their arms in close to their bodies and extend their arms out when they want to slow down," Lin said. "These positions change the spatial distribution of a skater's mass and modify their moment of inertia; this in turn affects the rotation of the skater's body. An insect may be able to do the same thing with its body and wings."

Butterflies move too quickly for someone to see these wing tactics clearly with the naked eye, so Lin, working with graduate student Lingxiao Zheng, used high-speed, high-resolution videogrammetry to mathematically document the trajectory and body conformation of painted lady butterflies. They accomplished this with three video cameras capable of recording 3,000 one-megapixel images per second. (By comparison, a standard video camera shoots 24, 30 or 60 frames per second.)

The Johns Hopkins researchers anchored their cameras in fixed positions and focused them on a small region within a dry transparent aquarium tank. For each analysis, several butterflies were released inside the tank. When a butterfly veered into the focal area, Lin switched on the cameras for about two seconds, collecting approximately 6,000 three-dimensional views of the insect's flight maneuvers. From these frames, the student typically homed in on roughly one-fifth of a second of flight, captured in 600 frames. "Butterflies flap their wings about 25 times per second," Lin said. "That's why we had to take so many pictures."

The arrangement of the three cameras allowed the researchers to capture three-dimensional data and analyze the movement of the insects' wings and bodies in minute detail. That led to a key discovery.

Earlier published research pointed out that an insect's delicate wings possess very little mass compared to the bug's body. As a result, those scholars concluded that changes in spatial distribution of mass associated with wing flapping did not need to be considered in analyzing an insect's flight maneuverability and stability. "We found out that this commonly accepted assumption was not valid, at least for insects such as butterflies," Lin said. "We learned that changes in moment of inertia, which is a property associated with mass distribution, plays an important role in insect flight, just as arm and leg motion does for ice skaters and divers."

He said this discovery should be considered by MAV designers and may be useful to biologists who study insect flight dynamics.

Lin's newest project involves even smaller bugs. With support from a Johns Hopkins Provost's Undergraduate Research Award, he has begun aiming his video cameras at fruit flies, hoping to solve the mystery of how these insects manage to land upside down on perches.

The insect flight dynamics research was funded by the U.S. Air Force Office of Scientific Research and the National Science Foundation.

A Guidance for selecting the right B-school.

2012-02-06T10:02:00.001+05:30

Placements, Quality of faculty, Quality of students, Opportunities for doing internships and ‘live’ projects, Infrastructure, are some of the most important criteria for selecting the right B-school. Another important indicator of the quality of a B-School is the ‘Cut Off’ percentile that it considers for shortlisting candidates for the GD-PI round.

Going through this list will provide you an indication of the quality of the B-schools and your likelihood of making it to your dream B-schools.

PLEASE NOTE THAT THESE CUT OFFs ARE FOR MBA ADMISSIONS 2009-10 FOR FLAGSHIP 2-YEAR MBA PROGRAM, AND MAY UNDERGO CHANGES THIS YEAR. more..

Sky Drops - Collecting Water in the Sky

2012-02-06T09:59:00.001+05:30

Skydrops is a helium inflated balloon designed to collect water by harnessing Mother Nature’s own energy. Spinning in the wind creates energy used to cool metallic sheets with peltier cells within the balloon. As the air passes through the cooled surface, water begins to condensate, and becomes a liquid before falling through a cable to a reservoir at the ground. Designed to fly uninterrupted for up to 2 months, the Skydrop will be able to create up to 50 liters every day.

2012-02-06T09:56:00.001+05:30

The existence of a world with a double sunset, as portrayed in the film Star Wars more than 30 years ago, is now scientific fact. NASA's Kepler mission has made the first unambiguous detection of a circumbinary planet -- a planet orbiting two stars -- 200 light-years from Earth.

Unlike Star Wars’ Tatooine, the planet is cold, gaseous and not thought to harbor life, but its discovery demonstrates the diversity of planets in our galaxy. Previous research has hinted at the existence of circumbinary planets, but clear confirmation proved elusive. Kepler detected such a planet, known as Kepler-16b, by observing transits, where the brightness of a parent star dims from the planet crossing in front of it.

Image: In the Light of Two Suns - This artist's concept illustrates Kepler-16b, the first planet known to definitively orbit two stars -- what's called a circumbinary planet. The planet, which can be seen in the foreground, was discovered by NASA's Kepler mission. more

Education Fair in chennai

2012-02-06T09:53:00.002+05:30

An informative seminars on studies in abroad, visas, scholarships and loans. If you have to plan your studies at abroad, then you can go and get some idea.

Date:

Mon, 13th Feb'12
10.30 am to 5.30 pm

Venue:

Hyatt Regency
365, Anna Salai, Teynampet
Chennai

Topics & Timings:

SCHOLARSHIPS & LOANS - 11.00 am

SINGAPORE - 11.30 am

CANADA - 12.00pm & 2.30pm

USA - 12.30pm & 3.00pm

UK - 1.00pm & 3.30pm

NEW ZEALAND - 1.30 pm

AUSTRALIA - 2.00 pm

MBA DESTINATION - 4.00 pm

SWITZERLAND - 4.30 pm

VISAS - 5.00 pm

Energy Generation

2012-02-01T10:01:00.001+05:30

One of the biggest obstacles to the widespread use of wind power generation is that many areas just aren’t that windy. >The alternative form of wind energy produced by trains is very unique, as it does not depend on any natural energy resource. A moving train compresses the air in the front of it and pushes the air from its sides thereby creating a vacuum at its rear and its sides as it moves forward. To fill up this vacuum a mass of airflow rushes into the sides and the rear. The kinetic energy of the wind movement thus created can be used to generate electricity.

Roof renovations are integrating solar cell modules into traditional roof materials in order to generate clean energy. This system will promote the effective use of roof space.

Figure 1. Direction of wind flow

Way of disposing of such a vast quantity of human waste & distributing it along the tracks, a place guaranteed to be uninhabited, to sterilize in the searing tropical sun these biodegradable wastes shall be used to produce clean energy & stabilization of wastes. Use of bio-degradable waste has been effective in power production. Bio-degradable waste undergoes a process of anaerobic digestion after which they are subjected to Induction Heating. Methane gas is produced, which then powers the methanol fuel cells.

The energy is generated without any interference of the normal train operation. This generated electricity can be further used. more...

Internet

2012-02-01T09:57:00.000+05:30

“INDIA IS NOT POOR…..

ONLY INDIANS ARE POOR”…..

INDIA lives in villages. India has nearly 600000 villages(nearly 80% of population).There exists Rural-Urban DIGITAL DIVIDE. Rural people are unable to access ICT (Information & communication Technology).Rural people are those who may not know how to read and write. So its in the hands of budding engineers to empower them.

Here we are bringing INTERNET facility to laymen in cost-effective AND eco-friendly manner.Thro’ this eco-friendly green-internet concept rural people can get Internet, climate, agro-based services real time. Here we have taken e-mail services for instance.

CURRENT SCENARIO:WHAT STATISTICS SAY

Recent 15^th census 2011 estimate says that India’s total population is 121 crore .Of the 121 crore out of which 83.3 crore live in rural areas more....

Water

2012-02-01T09:53:00.000+05:30

The Global Situation

• Less than 3% of the world’s water is fresh – the rest is seawater and undrinkable.

• Of this 3%, over 2.5% is frozen, locked up in Antarctica, the Arctic and glaciers, and not available to man.

• Thus, humanity must rely on this 0.5% for all of man’s and ecosystem’s fresh water needs.more....