Does Reason joust with Nature?

Sometimes human beings anthropomorphize Nature. What did Nature have in mind? Or, how did Nature arrange that? Or, what trick does Nature have up her sleeve? As if Nature were animated by a vast...

07 August 2018 5,044 2 View

What are the best scientific dialogues?

Galileo wrote Two New Sciences (Discorsi e Dimostrazioni Matematiche Intorno a Due Nuove Scienze in Italian). It is presented as a three way discussion, among Salviati, Sagredo, and Simplicio....

07 August 2018 4,081 6 View

Is the principle of similar systems redundant to dimensional analysis?

Physically Similar Systems: A History of the Concept is a chapter in the Springer Handbook of Model-Based Science by S. G. Sterrett. It is an interesting history. The principle behind similar...

07 August 2018 7,837 1 View

Should dialogue ever be used to present scientific ideas?

Typically in text books on a subject the presentation is by way of exposition. The reader in effect has an experience analogous to that of a person reading a story. There is the writer...

07 August 2018 4,534 6 View

Does the concept of degrees of freedom play a role in computer circuit design?

This is a follow up question to a question I recently posted, How much faster at calculation are n networked identical computers compared to one? I don't know anything about computer circuit...

05 June 2018 5,302 1 View

Does physics resist new ideas?

Analogize physics to language. Language and its lexicon are ways of encoding ideas about phenomena, concepts and their relationships to each other. Physics is a way of encoding ideas about...

05 June 2018 8,337 0 View

How much faster at calculation are n networked identical computers compared to one?

If networked people are faster solving problems than one, does the same apply to computers? Are there necessary constraints for this problem? Is there any benefit to knowing the answer to this...

04 May 2018 3,482 5 View

What is energy?

03 April 2018 6,316 34 View

Which is harder, finding a good problem or finding its answer?

The great mathematician David Hilbert set out twenty-three important problems in mathematics in 1900. One of the famous outstanding ones is the Riemann zeta hypothesis. One might argue that once a...

03 April 2018 4,529 8 View

Is intelligence an inherently unstable feature of an advanced society?

Collective intelligence enables the accumulation of knowledge, culture, science and technology and, in stable political physical and economic environments, improves economic well-being. So is...

01 February 2018 9,452 4 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View