SCIENCE REPORTER

http://www.niscair.res.in; http://nopr.niscair.res.in

Total visitors: 5312 since 06-04-2011

 

ISSN: 0036-8512                                                                                              

VOLUME 48                                                      NUMBER   4                                      APRIL  2011

CONTENTS

 

COVER STORY

 

Chemistry: The Central Science

Biman Basu

 

8

IN CONVERSATION

“There can be no progress in science without chemistry…”

An Interview with Prof. CNR Rao   

 

15

FEATURE ARTICLES

Putting Green Chemistry into Practice

Ahmed Kamal, Mohammed Shaheer Malik & Ameruddin Azhar M.

 

19

Jacobus Henricus van’t Hoff: ‘The Chemical Thinker’

Ravindra Vaze

 

24

Fun With Chemistry!

Iqbal Abdul Dhalait

 

28

Discovery of Oxygen: Birth of Modern Chemistry

TV Venkateswaran

 

34

Periodic Table Poised For Completion

Ramesh Chandra Parida

 

40

Materials of the Future: Electrically Conducting Polymers

K. Bakhshi & Vinita Arora

 

43

Stainless Steel: The Green Alloy

Sujit Kumar Naha

 

53

SCIENCE FICTION

Atrophy

Pranab Mazumdar

 

56

DEPARTMENTS

 

Reactions

6

Editorial              

7

Test Your Knowledge

26

Fun Quiz

32

Cartoons

42

Puzzle Corner

50

 

Familiar Fossils                                                                

60

Crossword                          

62

 

 

 

 

Science Reporter

Vol. 48, April 2011, pp 8-14

Chemistry: The Central Science

Biman Basu

 

Chemistry is all around us. So, everyone can and should understand basic chemistry. Apart from those wanting to become chemists, students wanting to become doctors, nurses, physicists, nutritionists, geologists, and pharmacists all need to study chemistry. It is important to remember that the importance of chemistry would not be diminished over time; rather it will continue to remain a promising career prospect.

 

Science Reporter

Vol. 48, April 2011, pp 15-18

IN CONVERSATION

“There can be no progress in science without chemistry…”

An Interview with prof. cnr rao

 

 

Science Reporter

Vol. 48, April 2011, pp 19-23

Putting Green Chemistry into Practice

Ahmed Kamal, Mohammed Shaheer Malik & Ameruddin Azhar M.

 

Since its inception, the concept of Green Chemistry has had much impact on design and implementation of new processes. Green or sustainable chemistry can help us achieve sustainability and protect our environment without harming growth and development.

 

 

Science Reporter

Vol. 48, April 2011, pp 24-25

Jacobus Henricus van’t Hoff: ‘The Chemical Thinker’

Ravindra Vaze

 

Honoured with the first Nobel Prize in chemistry, van’t Hoff’s monumental work in stereochemistry, chemical kinetics, and osmotic pressure of solutions built up the edifice of physical chemistry

 

 

Science Reporter

Vol. 48, April 2011, pp 28-31

Fun With Chemistry!

Iqbal Abdul Dhalait

EVERY day we come across many changes in our surroundings. These changes may involve one or more substances. For example, your mother may ask you to dissolve sugar in water to make a cold drink. You would also be familiar with the rusting of iron in which oxygen molecules from the atmosphere react with iron atoms in presence of moisture to form a new substance. The atoms in iron oxide line up differently from those in either oxygen molecules or iron.

Science Reporter

Vol. 48, April 2011, pp 34-39

Discovery of Oxygen: Birth of Modern Chemistry

TV Venkateswaran

IN 1772, the British chemist and dissenting preacher Joseph Priestley (1733-1804), stood in front of the Royal Society and reported on his latest discovery: “This air is of exalted nature…A candle burned in this air with an amazing strength of flame; and a bit of red hot wood crackled and burned with a prodigious rapidity. But to complete the proof of the superior quality of this air, I introduced a mouse into it; and in a quantity in which, had it been common air, it would have died in about a quarter of an hour, it lived a whole hour, and was taken out quite vigorous.” Back then Priestley was not aware what a revolution he was to cause.

 

Science Reporter

Vol. 48, April 2011, pp 40-41

Periodic Table Poised For Completion

Ramesh Chandra Parida

IN 1869, when Dimitri Mendeleyev designed the first periodic table, only 63 elements were known. He arranged those in the increasing order of their atomic masses, putting the like elements together in vertical columns.

 

Science Reporter

Vol. 48, April 2011, pp 43-47

Materials of the Future: Electrically Conducting Polymers

A.K. Bakhshi & Vinita Arora

Electrically conducting polymers have a wide range of applications in electronic and opto-electronic devices such as sensors, plastic batteries, solar cells, field effect transistors, optical data storage, organic electro-luminescent devices, switching devices, frequency doubles and many more. These are promising materials of the future and will continue to have an impact on the progress of science and technology.

 

 

 

Science Reporter

Vol. 48, April 2011, pp 53-55

Stainless Steel: The Green Alloy

Sujit Kumar Naha

With its sleek, elegant surface, great strength, long service life and excellent environmental credentials, the future surely looks bright, shiny and unstained for Stainless Steel.

IF you find the words ‘green alloy’ a bit mystifying, well stainless steel is one of the very few alloys that are 100% recyclable. It can, therefore, be melted time and time again and reformed into a new product.