Throwing light on black holes

WHAT ARE black holes and what if one gets close to one? Is the accelerated expansion of the universe going to lead to a pitch- dark sky in which no stars will be visible? How do lasers work for betterment of human kind? All these questions and more would be answered by Nobel laureates in Delhi this coming week.

The "science treat'' has been made possible as three world- renowned physicists will deliver the Centre for Philosophy and Foundations of Science lectures on these intriguing topics.

Charles H. Townes of the University of California, Berkeley, will deliver the CPFS Erwin Schrodinger Lecture on "The Creative Interaction of Science and Technology'' on January 6. Inventor of the laser, this 1964 Nobel Physics Laureate would bring out the finer aspects of technological applications.

The issue of black holes would be dealt by 1999 Nobel Physics Laureate, Gerard 'tHooft who will deliver the CPFS Albert Einstein Lecture on "Black Holes and Elementary Particles'' on January 7.

Celebrated physicist and author, Sir Roger Penrose, whose pioneering work on black holes was applied later to cosmology by Stephen Hawking, will deliver the P.A.M. Dirac Centenary Lecture on January 10.

The CPFS Director, Ranjit Nair, said it would be a privilege to have these outstanding thinkers of today close on the heels of the visit of three other Nobel laureates, Ahmed Zewail, Rolf Zinkernagel and Robert Huber.

By Gaurav Vivek Bhatnagar

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