Why pollution is less in some countries?

Every one assume that most of the pollution is caused by vehicles. In Dubai, I have seen much larger vehicular traffic than in India, but the pollution is almost nil. The photo here is of...

09 October 2018 8,403 1 View

Why so called dark matter is outside the galaxy?

The so called dark matter is pictured out side the galaxy. What is the reason? why cant it be a part of the galaxy itself ?

08 September 2018 5,735 5 View

How to add my figshare.com paper to reasearchgate?

i have published a pre print in figshare.com and i want it to appear here. what should i do?

07 August 2018 4,355 1 View

How photon will decide when to behave like a wave or particle?

In double slit experiment, photon behaves like a wave but in photoelectric effect, it behaves like a particle. It can be treated as both. But how will it decide? or we are treating it like that...

07 August 2018 7,389 87 View

Writing an article?

Are we allowed to write an article directly to researchgate.net ?

07 August 2018 5,634 5 View

Where can I find good magazine to write science article?

I want to write science article and some facts to general public. So, which is the best magazine to publish?

01 January 1970 9,663 7 View

Writing a book vs publishing a paper

My opinion is" if we are not 100% sure of the proof or theory, we have to write a small ebook and publish it at Amazon or some such place, rather than publishing a paper". Please give your opinion.

01 January 1970 8,143 2 View

Will light bend in a strong magnetic field ?

Light is electro magnetic wave. So, it should bend in strong magnetic field. Is it insignificant or no effect?

01 January 1970 7,727 20 View

How to create interest in students about fundamental science?

Students are not willing to read fundamentals of science. What are the methods to create interest?

01 January 1970 6,801 3 View

Running a car using water is not possible.

A simple common sense will tell us that what ever may be the method of splitting water into hydrogen and oxygen, IT REQIRES SAME ENERGY AS IT GIVES OUT WHEN COMBINED. But still people are making...

01 January 1970 7,842 5 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

How to interpret this FTIR spectrum of pyrolyzed hydrochar?

20 February 2021 2,840 3 View