Ahmad Alrawashdeh

9 Questions 19 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 396 27 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 5,656 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 1,256 91 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 8,826 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 4,658 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 9,662 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 1,150 4 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 470 27 View

What are good resources to learn and perform molecular dynamics?

what is the recommended MD software package?

01 November 2017 5,977 4 View