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

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 View

Which reagent is best among 'Dimethylglyoxime" and "Dithiothreitol" for spectroscopic determination of Nickel ?

What I think is Dithiothreitol. As it is water-soluble and does not form a precipitate. But, the thing is it contains sulphur which is quite hazardous to aquatic animals.

01 March 2021 8,374 4 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View