Is physics lost in mathematics?

One of the challenges of modern physics is the astounding role of mathematics in physics. So that some physicists claim that physics is lost in...

02 March 2019 9,835 54 View

If physicists accept the photons are not massless, what changes in the modern physics?

06 July 2018 8,333 9 View

What is the difference between a photon carrying an electromagnetic force and a photon carrying electromagnetic energy?

05 June 2018 2,870 26 View

What is the speed of light in a vacuum really? And who measured it?

Galileo was the first scientist who has tried to measure the speed of light but failed. Although the Galileo 's method to determine the speed of light was very primitive, it was precisely a...

03 April 2018 6,251 0 View

Why Is Light Affected By Gravity?

03 April 2018 8,578 0 View

How a light source emits (or absorbs) a photon? Where do photons go in absorption?

In quantum mechanics, "electrons can absorb energy from external sources, such as lasers, arc-discharge lamps, and tungsten-halogen bulbs, and be promoted to higher energy levels. This tutorial...

02 March 2018 6,442 27 View

What are quantum fields made up of really?

There is still no consensus on whether the fields are composed of particles or no. For examples: Art Hobson, There are no particles, there are only fields, American Journal of Physics 81, 211...

01 February 2018 9,576 11 View

Is it possible to conclude from the de Broglie wavelength that all particles even photon have masses?

In 1924 de Broglie assumed that for particles the same relations are valid as for the photon: E=hf and E=pc Where E and p are the energy and momentum of the...

31 December 2017 4,574 36 View

What is the effect of gravity on the light?

A pulse of light carries energy and momentum, and it is deflected by the gravitational field of a massive body. Then, according to Newton's 'actio equals reactio', it is also a source of a...

31 December 2017 9,326 38 View

How exactly fundamental forces (bosons) act?

The Standard Model of particle physics describes the universe in terms of Matter (fermions) and Forces (bosons). Particles of matter transfer discrete amounts of energy by exchanging bosons with...

11 December 2017 2,169 10 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 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

Error in comsol?

Dear respected researchers, while performing CFD analysis in Comsol it's showing like this Error: Nonlinear solver did not converge. The maximum number of Newton iterations reached can...

24 February 2021 249 3 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Why does the sum of reaction forces not match the force component of a Free Body Cut in Abaqus?

I am using Abaqus to simulate a plate with in-plane loading. The boundary conditions allow the right edge to move up and down, the displacements on the left edge are fixed. There is no rotation...

23 February 2021 711 3 View

What should be the duration of exposure to simulated space environments with Rodents?

Hi, I am currently working on a pilot study to get some data related to the impact of long duration spaceflight to the microbiome and the immune system. I plan to use rats and simulate...

22 February 2021 592 1 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View