What are the optimal numbers of speakers and participants in a Scientific conference?

In some conferences there are thousads of particpants and speakers in others tens of them, what is your preference, huge conferences or limited ones?

01 February 2018 6,044 6 View

What is the physical scientific explanation of dreaming?

The question is not about dreams interpretations but about the stat of dreaming itself.

01 February 2018 4,406 2 View

No title

For the sake of a reasonable level of wellbeing and humanity for all .

31 December 2017 9,198 3 View

What is the search engine you use?

What internet search engine you prefer ? Is there a particular reason for that ?

31 December 2017 6,998 7 View

Today's higher mathematics, is it pure science or a mathematical slang language. ?

Isn't it urgent to simlify?

31 December 2017 9,876 4 View

No title

31 December 2017 7,189 5 View

What is the most important environmental problem in your area?

The consequences of the lowering of the Dead Sea water level which is causing the proliferation of thousands of sinkholes.

31 December 2017 4,694 4 View

Is it possible to associate a translation component to RG posts and texts?

Although English is a dominant common language to most RG members, some may find it very useful to see the texts translated the way this is done in Facebook or google translate. The idea crossed...

31 December 2017 3,201 2 View

No title

This is a question for Mathematicians and Mathematics lovers and the others! This video may help every body to start.. https://www.youtube.com/watch?v=QYyuZ3_PQ4M

31 December 2017 4,182 10 View

What is most important world news last month ?

A general question, and as a by product it is intended to add some news to some of us who are unaware for a reason or another. What is the most significant world news from our various...

11 December 2017 2,738 3 View

Online surveys for social sciences researchs: what are your opinions about this tool and how can we improve the research design to incorporate online?

Good morning everyone, Due to the pandemic, I conducted several online surveys. It is quite agile, not at all expensive, but there are several problems: the sample's representativeness and its...

21 February 2021 7,457 3 View

How to improve the buffer capacity of sea water?

Hello everyone I would like to improve the buffer capacity of seawater (pH ~8) in order to dissolve as much CO2 as possible without dropping the pH below 7.5 (a range between 7 - 7.5 is...

17 February 2021 2,797 2 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

Hi, can a variable in a questionnaire be measured with a series of questions or it has to one question for one variable?

I am doing research on the impact of competitive bidding on project success and would like to use SEM. Project success shall be: cost overage, completion time, quality of works and variation...

13 February 2021 4,413 6 View

Why non-specific band appear on T-ARMS PCR?

Hi everyone. We want to know how can I remove the non-specific band amplification on this variant. Although the amplification of non-specific band is not as intense as the band that we want, but...

09 February 2021 588 2 View

What is your opinion regarding opening of school? Now students are supposed to join school. Do you think that decision is in the interest of society ?

From long Pendamic now government is opening school and colleges on for off line classes. What do you think that this decision is fruitful to the students and society too?

08 February 2021 3,068 6 View

Fractional derivative users, are you on the same page with me on the validity of the fractional order parameter, say alpha?

Taking a fractional ODE problem as an example. It has come to my attention that if the fractional order parameter is in the interval (0,1], many only presents results for alpha=0.9, 0.99. I saw...

08 February 2021 9,671 3 View

Looking for a scale to measure attitudes towards violence against women and the factors that impact attitudes in South Africa?

I am interested in doing research on attitudes towards violence against women and the factors that impact attitudes in South Africa? Does anyone know which attitude scale I can use to measure...

06 February 2021 3,076 1 View

To what extent do I need to justify my control variables?

Hi everyone, I am writing a research proposal for my masters applications and am in dire need of guidance. I suggest to quantitatively investigate the potential correlation between feminist...

05 February 2021 3,666 8 View

Is the use of "multivariate " or "multivariable" was correct in multiple responses study ?

In statistics most of the time, we use these two-term exchangeable, but in my opinion, there is a difference between them. Please suggest your opinion

04 February 2021 7,407 7 View