17 Questions 209 Answers 0 Followers
Questions related from Vijay K Jindal
I am a little curious if some water conservationist or earth science expert can throw some light on my following observations and queries: 1. The total water on our globe is essentially conserved...
06 June 2018 8,586 40 View
The pollution levels are a constant nuisance in cities where there is lot of industry and vehicles and other man made reasons.We all know that and the situation on the onset of winter becomes...
11 November 2017 4,548 8 View
I am interested in Peltier chips which are flexible and effective and efficient so as to replace conventional air conditioning to localised individual cooled garments. This is going to cut down...
09 September 2017 5,685 1 View
We know it is usually not possible- all good absorbers have to be good emitters and vice versa. But I am looking for controlling the emission of an excited state (thermally or visibly). It may...
03 March 2015 7,249 16 View
I am keen to know a) if one can grow plant from a seed in the lab without using conventional soil, fertilizer, sunlight etc., but only using essential ingredients like minerals, water, Co2,...
03 March 2015 3,881 19 View
Why does a simple number not say 100 and 200 V? Does it have something to do with historical reasons? Or is an average value of AC supply related to peak value?
05 May 2014 3,239 21 View
Materials lose mechanical properties with constant use and wear and tear. What is it that makes them prone to this and why? (After all, the basic constituents remain the same.) I mean, why will...
03 March 2014 6,953 21 View
I mean many a times you wish to fully formulate and refine your idea based on input you receive from a wider community as on RG who have many experts ready to contribute and offer valid criticism....
01 January 2014 6,244 4 View
I am very keen to control transition probability for deexcitation of excited states. Normally there is no control over deexcitation, they compete depending upon population of excited states...
11 November 2013 3,379 6 View
Panjab University recently ranked 239. It would be interesting if we were aware of how this ranking is done. Panjab University found itself at the 239th spot, ahead of institutions including IIT...
10 October 2013 2,153 10 View
A simple general equation for photosynthesis follows: 6 CO2 + 12 H2O + photons → C6H12O6 + 6 O2 + 6 H2O (carbon dioxide + water + light energy). We know well that this is the way our environment...
08 August 2013 6,064 7 View
In the present days of global reach, we find the authorship of a given research paper running in huge numbers. The collaborations range from 3 authors to more than 500 authors. As long as the...
08 August 2013 1,841 47 View
I am coupling this question with photon traps. Normally photons get absorbed quickly. I was wonder why the walls which are reasonably reflecting do not make the number of photons as time integral...
08 August 2013 1,636 32 View
There is no commercially viable, convenient and cheap method of producing hydrogen which is a green fuel. Electrolysis is costly though convenient. I wonder if Na or K could be used commercially...
07 July 2013 8,397 1 View
We know that nature has positioned earth with a tilted axis to revolve around hot sun in an elliptical orbit which results in temperature distribution on the globe on a broad scale of time and...
12 December 2012 8,292 2 View
Heat capacity as you know is a measure of the amount of energy (heat) required by a certain mass of a material to raise its temperaure by unit degree. The variable heat is required because heat...
09 September 2012 1,535 7 View
Yes, we know identical particles separate out differently because of antisymmetric and symmetric wave functions. We know that the ones dictated by antisymmetric (called Fermions) have Fermi energy...
01 January 1970 8,748 32 View
