Resonance 
journal of science education

March 2000, Volume 5, Number 3


1	Editorial	Rajaram Nityananda


GENERAL ARTICLES
================
6	Einstein and the Special Theory of Relativity
	Supurna Sinha

16	Pollen Grains, Random Walks and Einstein
	Sriram Ramaswamy

35	The Story of the Photon
	N Mukunda

52	Orthogonalisation of Vectors
	Matrix Decomposition and Approximation Problems
	Rajendra Bhatia

	
60	Glossopterids: Suzerians of Geologically Past Indian Forests
	Dipanjan Ghosh

66	Robotics
	Instrumentation and Control in Robotics
	J R Vengateswaran

77	Microwave Irradiation
	Way to Eco-friendly, Green Chemistry
	Rashmi Sanghi


CLASSROOM
=========
82	The Rule of Three, Maximum Likelihood, and the Second Law of 
	Thermodynamics
	M G Nadkarni

86	Project Lifescape: Butterfly Accounts
	Krushnamegh J Kunte

CLASSICS
========

105	Meanders in the Courses of Rivers
	Albert Einstein


BOOK REVIEWS 
============

98	Einstein - The Life and Times
	Bikram Phookun

102	Knots and Surfaces
	V Pati

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INFORMATION AND ANNOUNCEMENTS
=============================

(see inside back cover)
500th Aniversary of the Astronomical Text 'Tantrasangraha'

FRONT COVER
===========

Silver-lining among bushes and hedges. (Picture of Common Silverline 
Butterfly)Photo: Kunhikrishnan


BACK COVER 
===========
Albert Einstein 
(1879 - 1955)
(Illustration by Biman Nath, RRI)