Ambedkar Chair at Columbia
Friday, 02 April 2010 17:20
NEW YORK , April 2: Columbia University has instituted the B.R.
Ambedkar Chair in Constitutional Law and two Jagdish Bhagawati
Fellowships after India's renowned economist who presently teaches at
the university.
"This initiative adds an important dimension to Columbia University's
long and illustrious association with India," Meera Shankar, India's
ambassador to the US, said at the varsity.
"This chair commemorates one of the great leaders of India in the 20th
century and one of this university's eminent alumni Dr Ambedkar," she
added. Dr Ambedkar was the student of philosopher of John Dewey at
Columbia where he came after receiving a scholarship from the
Maharajah of Baroda. He earned his M.A. in 1915 and then obtained a
D.Sc. at the London School of Economics before being awarded his
Columbia Ph.D. in 1927.
Dr Ambedkar later recounted that at Columbia he experienced social
equality for the first time, according to the school records. In 1930,
he told the New York Times, "The best friends I have had in my life,
were some of my classmates at Columbia and my great professors." In
1952, Columbia presented him with an honorary doctorate for his
service as "a great social reformer and a valiant upholder of human
rights."
The first holder of the Ambedkar Chair is Akhil Reed Amar, a visiting
professor from Yale University.
—PTI
BETWA SHARMA
***
T-shirts turn into armour
Washington, April 2: Believe it or not, an ordinary cotton T-shirt
could be converted into a flexible full-body armour which will protect
not only from bullets but also from radioactive materials.
A team led by researchers at the University of South Carolina have
turned cotton T-shirts into a tough lightweight fabric of boron
carbide, the same material used to protect tanks, that could lead to
more comfortable body armour.
To create the material, they combined the carbon in the cotton with
boron and said it could even be used to produce lightweight and fuel
efficient cars and aircraft.
"The current boron carbide armour is strong, but its not flexible and
it is very heavy," said co-author Xiaodong Li. "We tried to solve this
problem but with a different approach.
In our approach, we used cotton T-shirts," Mr Li wrote in the journal
Advanced Materials. Boron carbide is the third hardest material on
earth, after diamond and another boron-based material. In bulletproof
vests and tanks, thick, heavy ceramic plates of dark grey boron
carbide protect soldiers and the police. The team took cotton T-shirts
and cut them into thin strips and dipped those white cotton strips
into a black solution of boron. After an hour, the strips were removed
from the solution and baked in at oven at more than 1,000º Celsius for
an hour.
—PTI
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