Resonance     journal of science education

May 1998 Volume 3 Number 5
Editorial 
N. Mukunda
Thermal Ionisation and the Saha Equation!
Rajaram Nityananda
Science Smiles
R K Laxman
  SERIES ARTICLES
06 Molecules to Materials Liquid Crystals and Molecular Conductors
T P Radhakrishnan
  GENERAL ARTICLES
24 Astronomical Spectroscopy A Short History
J C Bhattacharyya
30 On Kepler's First Law The Law of Ellipses
Shailesh Shirali
  FEATURE ARTICLES
43 Nature Watch Thinking Like a Tahr: When Males and Females go their Separate Ways
M D Madhusudan
48 What is New in Computers? Mobile Computing
L M Patnaik
64 CLASSROOM
  Special Relativity – An Exoteric Narrative
S R Madhu Rao
  How Negative can the Product-Moment Correlation Coefficient be?
R Vasudeva
76
 RESEARCH NEWS
The Explosion that Wasn't
A P Gore
78
 BOOK REVIEWS
Feynman's Lost Lecture
Shailesh Shirali
Environmental Biology Man and his Environment
M D Subhash Chandran
81
 CLASSICS
The Origin of Mass in Neutrons and Protons
M N Saha
92
 INFORMATION AND ANNOUNCEMENTS
Indian Association for the Cultivation of Science
Kankan Bhattacharyya
The 39th International Mathematical Olympiad
Shailesh Shirali


Front Cover
The Nilgiri tahr (Hemigragus hylocritus) is a relative of the wild goats. Fewer than 2000 of them survive in the montane grasslands of the Western Ghats in Tamil Nadu and Kerala.

Back Cover

Meghnad Saha
(1893 – 1956)
( Illustration by Prema Iyer )

 

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