pp 1-2 May 2002 Editorial

Editorial

Amitabh Joshi

pp 3-5 May 2002 Article-in-a-Box

Sir Mokshagundam Visvesvaraya – A Visionary Engineer par Excellence

A V Shankara Rao

pp 6-7 May 2002 Table of Contents

Table of Contents

pp 8-15 May 2002 Series Article

The Study of Butterflies - Defences and Defensive Behaviour

Peter Smetacek

pp 16-33 May 2002 General Article

From Shannon to Quantum Information Science - Mixed States

Rajiah Simon

pp 34-49 May 2002 General Article

Stellar Masses

B S Shylaja

pp 50-58 May 2002 General Article

Biofuel from D-xylose – the Second Most Abundant Sugar

Anil Lachke

pp 59-65 May 2002 General Article

Century of Nobel Prizes - 1903 Chemistry Award: Svante August Arrhenius (1859-1927)

Shridhar R Gadre

pp 66-75 May 2002 General Article

Markov Chain Monte Carlo - A Method of Simulation

Arnab Chakraborty

pp 76-85 May 2002 General Article

Mokshagundam Visvesvaraya - Engineer, Statesman and Planner

A V Shankara Rao

pp 86-90 May 2002 Classroom

The Twin Prime Problem

P H Talapadtur

pp 91-91 May 2002 Think It Over

Balloons in Balance

Jaywant H Arakeri

pp 92-98 May 2002 Classics

Work as Chief Engineer, Mysore

Sir M Visvesvaraya

pp 103-103 May 2002 Information and Announcements

Refresher Course in Theoretical Physics at St. Stephen’s College University of Delhi, Delhi

pp 106-106 May 2002 Featured Scientist

Sir M Visvesvaraya (1860-1961)

Article ID 1 May 2002

Acknowledgements