Physics

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Questions related to Physics

Has anyone tried to induce EAE in old mice?

I was wondering if anyone has tried to induce EAE in old mice (above 18m) and wether the score is more or less severe in aged mice.

03 April 2020 259 0 View

Plasma monitoring system PlasCalc 2000 Drivers, Can someone provide them?

Hello, fellow researchers, I'm looking for the drivers for a plasma diagnostics instrument. PlasCalc 2000, Originally from Mikropack GmbH , later sold to Ocean Optics, now Ocean Inside. We lost...

24 March 2020 2,848 3 View

Development Economics? Why Not Social Physics?

Economics struggles with rigour. Development struggles with prejudicial questions. So, why don't we teach our young people social physics? Look at social space as a phenomenon of physics. Deeper...

15 March 2020 6,689 8 View

Can time crystals be used in the construction of molecular machines?

As you know, a time crystal shows oscillations with a period longer than the driving force. Is it possible to use this feature in molecular machine synthesis? Does this provide any advantages to...

07 March 2020 2,314 2 View

Does the "Schumann Resonance" has any effect on the enhancement or reduction of human brain waves "Especially the alpha wave"?

Is there any article or project about interaction of the "Schumann Resonance" on the brain alpha or theta waves? The Schumann resonances (SR) are a set of spectrum peaks in the extremely low...

03 March 2020 3,464 2 View

How to measure Fatigue endurance and Retention of ferroelectric materials using ferroelectric tester (Radiant Technology)?

I need steps for measuring the Fatigue endurance and retention of polarization. I soft. There is no option for these measurement. They have other option like P-E loop, hysteresis, I-V, leakage etc.

27 February 2020 5,978 3 View

How does the limited flying time of (sulphate) aerosols match with ocean-wide cooling?

I'm struggling a little with what seems to be a mismatch between analyses that correlate aerosol emissions (particularly in North America and Western Europe) with large-scale cooling of oceans in...

19 February 2020 8,776 3 View

How can I obtain an equation for factor score?

Dear researchers, I have one question about confirmatory factor analysis (CFA), would anyone help me to solve it. The question is: I ran a CFA model for a latent variable (Met) related to 3...

15 February 2020 4,890 5 View

Public policy: Where are the big three equations (heat, wave and Laplace)?

Distribution dominates policy. Resources are injected at a point and distribute across communities. Can the distribution be almost instantaneous as in the heat equation? Do the resources morph and...

31 January 2020 3,693 2 View

How do you derive the Lande g-factors and estimate the Doppler width of an atom?

These are all very specific questions related to some lab questions I am supposed to fill out. I was able to do the first part, and know the equation for the Lande factor for the second, but I do...

25 January 2020 3,108 2 View

Calculating electron temperature by boltzman plot if slope value is positive due to which temperature becomes negative can we ignore negative sign?

I am calcalculating electron temperature through boltzman plot method but slope is increasing and its value is positive when divided by -1/slope it becomes negative. Can this negative with...

07 January 2020 5,030 2 View

Having characterized a microbial strain for degradation of particular pollutant.. How then can we exploit them for massive invivo (feild) remediation?

We have written papers on different fungal strains that could degrade several mixtures of many ringed cyclic hydrocarbons.. Suggestions on how we can relate or explore them for field remediation?

31 December 2019 9,837 3 View

How to determine Electron Density of a Low-Temperature Argon DC Glow Discharge plasma using Optical Emission Spectroscopy (OES)?

Please explain to me step by step method to calculate the Electron Density of a Low-Temperature Argon DC Glow Discharge Plasma using Optical Emission Spectroscopy. This laboratory plasma is...

24 December 2019 2,493 3 View

Protein modeling for an amino acid substitution?

I am trying to model an amino acid substitution (I197V) in serotonin receptor 2A (HTR2A) to see if it has any effect in protein confirmation or binding activity. I am using Chimera with the...

21 November 2019 8,885 4 View

Why could not Feynman prove Einstein’s claim in 1905 paper?

Einstein, based on his argument in section 6 of 1905 paper, claimed: “If a unit electric point charge is in motion in an electromagnetic field, the force acting upon it is equal to the electric...

10 October 2019 5,250 26 View

Does plane (spherical) EM wave expression mean infinite EM interaction speed?

Dear Sirs, Everybody knows plane and spherical wave solutions of Maxwell equations, e.g for decaying plane wave E=E0*exp(-kx)*cos(w(t-x/v)). But seems to me they give the unreal situation that...

10 October 2019 572 14 View

Impact machine. Should accelerometer and load cell give same impact force value?

I am designing a helmet impact machine. Does the accelerometer placed inside helmet and load cell placed under anvil give the same peak force value?

10 October 2019 8,608 4 View

Why does atom ionisation happen not in a narrow frequency range but when the energy quant is more than the red boundary?

Dear Sirs, I would be grateful for references and explanations.

10 October 2019 4,530 2 View

Could absolutely black body absorb its own thermal radiation?

Thank you your clarifications.

10 October 2019 4,314 2 View

Why do we have only two real images of source after the converging lens but not infinite number of real images in the experiment?

Thank you for the references and explanations

10 October 2019 6,567 6 View

Is it possible to make prism deviation angle minimum (as a function of incidence angle) more abrupt?

Dear Sirs, The setup for the dispersion measurement is as follows. Hg lamp, collimator, goniometer with triangular prism. We measure the light dispersion using the prism. To do so we determine...

10 October 2019 9,667 8 View

Is the "Smile Theory of Everything" a way for making this Earth a Beautiful place to live?

Please read the article - Smile Theory of Everything, published at International Journal of Scientific and Research Publications (IJSRP) and answer the question.

23 September 2019 3,502 3 View

Healing of extraction socket (1-10 months) histological and histometric analysis with mechanical properties ( MODULUS OF ELASTICITY, POISSON'S RATIO)?

DEAR ALL CAN ANY ONE SUGGEST ME GOOD REFERENCE ARTICLE FOR HEALING OF EXTRACTION SOCKET (7, 15, 30, 60, 90, 120, 150, 180, 210 DAYS) WITH MECHANICAL PROPERTIES OF HEALING BONE AT EACH INTERVAL (...

17 September 2019 5,340 0 View

Coordination of ketones to iron?

Hello everyone, I would like to know if someone have a reference or a possible explanation about if ketones (2-propanone or ethyl acetate) could coordinate to iron (metal or cation)? Since...

09 September 2019 1,504 4 View

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