Indulekha, K.
Published in
Resonance
This article gives an overview of the new SI and a few details as to how it was set up. Those interested in the story of how the kilogram was fixed by tying it to the Planck constant can go straight to Section 5. Otherwise, apart from the introduction given as Section 1 which also presents excerpts from the relevant official documents on the key as...
Sarkar, Jyotirmoy Rashid, Mamunur
Published in
Resonance
What is the shape of the novel coronavirus (n-CoV) which has turned our world upside down? Even though under a microscope, it looks dull, unattractive, and even disgusting, creative artists have attributed to it bright colors, made it look pretty, and depicted it as a thing of beauty. What can a mathematician contribute to this effort? We take a pu...
Sarkar, Jyotirmoy Rashid, Mamunur
Published in
Resonance
What is the shape of the novel coronavirus (n-CoV) which has turned our world upside down? Even though under a microscope, it looks dull, unattractive, and even disgusting, creative artists have attributed to it bright colors, made it look pretty, and depicted it as a thing of beauty. What can a mathematician contribute to this effort? We take a pu...
Chakraborty, Bikash
Published in
Resonance
In this section of Resonance, we invite readers to pose questions likely to be raised in a classroom situation. We may suggest strategies for dealing with them, or invite responses, or both. “Classroom” is equally a forum for raising broader issues and sharing personal experiences and viewpoints on matters related to teaching and learning science.
Das, Ankita Das, Asim K.
Published in
Resonance
Pressure swing adsorption (PSA) technology is used in medical oxygen concentrators for selective adsorption of nitrogen under pressure from air to produce oxygen-enriched air for breathing. The functional material in oxygen concentrators is aluminosilicate zeolite like Li-13X, 5A (LTA) with a relatively high Al-content. It selectively adsorbs nitro...
Sreekanth, N. S. Varghese, Nobby Babu, N. Sarat Chandra
Published in
Resonance
The recent Covid-19 pandemic has brought about drastic changes in the teaching-learning process. We witnessed a paradigm shift from conventional classrooms to virtual online learning. Although online learning is not a new concept, the covid-19 pandemic situation came with subsequent restrictions that shook the entire school educational system. Educ...
Sarkar, Jyotirmoy Rashid, Mamunur
Published in
Resonance
What is the shape of the novel Coronavirus which has turned our world upside down? Even though it looks dull, unattractive, and even disgusting under a microscope, creative artists have attributed to it bright colors, made it look pretty, and depicted it as a thing of beauty. What can a mathematician contribute to this effort? We take a purist’s po...
Sarkar, Jyotirmoy Rashid, Mamunur
Published in
Resonance
What is the shape of the novel coronavirus which has turned our world upside down? Even though under a microscope it looks dull, unattractive, and even disgusting, creative artists have attributed to it bright colors, made it look pretty, and depicted it as a thing of beauty. What can a mathematician contribute to this effort? We take a purist’s po...
Mukherjee, R. N.
Published in
Resonance
Karmakar, Smarajit
Published in
Resonance
This year’s Nobel Prize in Physics has been jointly awarded to Syukuro Manabe from Princeton University, Princeton, NJ, USA and Klaus Hasselman from Max Planck Institute for Meteorology, Hamburg, Germany and Giorgio Parisi from the Sapienza University of Rome, Rome, Italy. One-half of the prize has been awarded jointly to Syukuro Manabe and Klaus H...