Ahmad Alrawashdeh

15 Questions 32 Answers 0 Followers

Questions related from Ahmad Alrawashdeh

Why do we sleep? what science tells us about the need for sleep?

A third of a human life is dedicated to sleep. The body repairs tissues and performs other maintenance activities during sleep. However, many organisms don’t sleep at all, so why do we?...

01 January 2018 403 27 View

Sugar or artificial sweetener: Which is more dangerous?

I've got confused when reading about this topic on the internet. Which better for your body and health, sugar or artificial sweeteners? For a "low carb" diet plan, which one is better to use? or...

30 December 2017 8,317 19 View

Why isn't there silicon-based life?

Silicon and carbon are chemically very similar, both can form up to four chemical bonds. Silicon is the second most abundant element in Earth’s crust. But all kinds of life on Earth is based on...

25 December 2017 5,667 16 View

What are the advantages and disadvantages of artificial intelligence?

From your point of view, what are the benefits and risks of robots, artificial intelligence, and machine learning? What worries you about the arriving era of artificial intelligence? Dear reader,...

24 December 2017 1,270 91 View

Why do many people take their own life?

I was shocked when I read about the suicide rate in USA; there are 44,965 Americans die by suicide each year. Why do many people commit suicide in a rich country like USA?

24 December 2017 4,485 40 View

Do you agree or disagree with the following statement?

"Scientists have claimed that religion has actually been dividing our society and causing conflict for more than 3,000 years". If you disagree with the statement, please explain why? Thanks in...

23 December 2017 9,801 19 View

Which is better to establish a successful family?

Is it true (or not) that getting to know each other before marriage can really help to establish a successful family?

23 December 2017 8,733 15 View

What would your advice be?

If you can give only one piece of advice to a person you love and care about, what would this advice be?

18 December 2017 6,410 53 View

What books would you recommend?

It is important to be vigilant while selecting a book to read. Many qualities can be developed in us by reading good books beside enriching our experience and expanding our knowledge. On the other...

15 December 2017 8,838 13 View

What are the recommended DFT methods to study chemical reactions involving free radicals?

I'm planning to study a chemical system involving radical reactions such as H· and OH· addition or abstraction. Could you please suggest suitable DFT methods and basis sets for studying radical...

13 December 2017 4,682 9 View

Is there a good future for theoretical and computational chemists?

For most theoretical/computational chemists there is very limited chance to get a good job outside of academia, while getting a permanent academic job in this field is also not an easy task. Is...

10 December 2017 9,677 8 View

What are the reasons behind the following Gaussian 16 error?

I have the following error running doublet molecule using M062X\6-31G(d): Annihilation of the first spin contaminant: S**2 before annihilation 0.7554, after 0.7500 Convergence failure...

07 December 2017 1,168 4 View

What are important historical events in your country/nation?

Many of us are unfamiliar with the history of other countries/nations. Please share the important historical event/s in your country/nation that changed people's lives forever.

06 December 2017 5,892 24 View

What is the best dispersion-corrected DFT method?

I'm interested in studying interactions between n-hexane molecules and also interactions between chloroform molecules, what are the suggested dispersion-corrected density functionals to study...

12 November 2017 492 27 View

What are good resources to learn and perform molecular dynamics?

what is the recommended MD software package?

01 November 2017 5,990 4 View