Is current a real electron movement ?

I learned in school that electrical current was caused by electrons movement from one atom to another, and so on. This was almost 40 years ago. Is this still today the official explanation for the...

04 May 2017 9,112 0 View

Is it possible to intercept a time reversal RF communication ?

31 December 2015 6,353 3 View

Does Heisenberg uncertainty principle apply to Higgs boson or should it be adapted?

The Higgs boson seems to be a particule difficult to detect (elusive particle), in this context does the uncertainty principle apply as well as it applies to other less elusive particles? More...

08 September 2014 9,641 8 View

Never ending Big Bang ?

The current theory about Big Bang says that 'normal' matter, as opposed to antimatter, won because something (some say that neutrinos are responsible) happened that broke the balance between...

08 September 2014 8,424 4 View

Any suggestion for a good but easy to understand book about String Theory ?

String Theory seems quite complicated if you don't have enough scientific background in the domain. I tried "Little book of string theory" from Steven S. Gubser, but it lacks some basic...

08 September 2014 5,895 0 View

What are Foster and Non-Foster materials?

I've seen these words in a few papers, related to metamaterials, but never found any explanation nor translation.

03 April 2014 7,086 2 View

Can anyone help with Bruggeman mixing model?

I am using mixing models to calculate effective parameters (such as permittivity or permeability) of mixtures, i.e. inclusions with a given volume fraction in a host medium. There are several...

02 March 2014 6,387 11 View

Does a moving magnetic field generate a current?

Supposing a constant or time varying magnetic field H, moving at the constant speed V at a distance d along an electric wire or a pair of parallel electric wires. Does this generate a current in...

01 February 2014 8,777 12 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 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

What are the harmful effects of these extreme rainfall on the health of newborns? What are the reasons for that?

Extreme rainfall associated with climate change is causing harm to babies in some of the most forgotten places.

01 March 2021 5,647 4 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View

Does anyone know of a predictable relationship beween surface gravity and atmospheric composition?

The attached file demonstrates that there is a predictable relationship between the structural density of a terrestrial body and its none-rotating surface gravity. Using Newton's gravity law of...

26 February 2021 2,317 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View