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Questions related to Physics
Tan delta equal dielectric loss over dielectric constant where the dielectric loss is imagenary part and the dielectric constant is real part and delta plus phase angle equal 90 degree
11 November 2018 6,159 1 View
Hello for all, Kindly, I need to know the clear and proper difference between numerical, analytical, and computational physics. with warm regards Fouad
11 November 2018 5,797 0 View
Dear all, Referring to wikipedia https://en.wikipedia.org/wiki/First_principle >> In physics, a calculation is said to be from first principles, or ab initio, if it starts directly at the...
11 November 2018 6,048 0 View
"Once upon a time, we soared into the solar system for a few years, then we hurried back. Why? What happened? What was Apollo really about?" - Carl Sagan. I researched this question. Funding,...
03 November 2018 518 36 View
Chronic autoimmune skin disease. This condition occurs when the immune system sends out wrong signals .These signals increase the speed of the skin's growth cycle, that is, excessive increase in...
10 October 2018 3,233 2 View
Does anybody have numbers for the attenuation of the gamma radiation of Lu-177 (208 keV) in brick or gypsum? I am looking for the tenth-value or half-value layer.
10 October 2018 1,392 3 View
Dear Colleagues and Professors, I am doing experiments on the interaction between magnetic liquid and strong magnets to display the magnetic field line of a magnet. In best conditions, the...
10 October 2018 798 12 View
Author has mathematically quantified monopole magnetic systems by modifying Maxwell Equations, please see attached file, to apply modeling magnetic only situations that GUTs singularities, per...
10 October 2018 1,730 20 View
Hi, I have a rather simple experiment in which I am evaporating water in a 250mL sample bottle. The sample bottle is supplied with a inflow of N2 gas (5L/min). A 10mm hole (circular) was drilled...
10 October 2018 3,923 0 View
Hi everybody, I have a question about the circle of friction or Kamm circle. This circle is used in vehicle modelling, but I did not understand this well. I say my own opinion, please let me know...
10 October 2018 6,445 5 View
Einstein stated that “The same laws of electrodynamics and optics will be valid for all frames of reference for which the equations of mechanics hold good”. In general, one of the main principle...
09 September 2018 10,154 59 View
Dear colleagues, We are conducting experiments on battery-magnet systems running in copper tube (also known as World's Simplest Electric Train). Our equipments includes: -A pin size AAA...
09 September 2018 8,333 5 View
Dear colleagues, Do you have an idea about the source of light through which we see dreams ? and what is the source of light through which we can see the colors we see in dreams? I wish you all...
09 September 2018 7,246 97 View
Dear colleagues, I am reaching out to the scientific community, to safeguard the intellectual property(IP) rights of an unpublished novel proposal idea. While published work can be claimed for...
09 September 2018 3,928 23 View
I hope to fabricate 0.5 nm gating length FET using 2D material. I am very confusing the possibility and the worthy of this research. Look forward any comment from you. Thanks.
09 September 2018 8,442 1 View
The LISA Pathfinder is a very promising project for detecting gravitational waves for z>20 according to LISA scientists. How could be that possible? It is well known that a gravitational wave is...
25 August 2018 7,216 10 View
Anyone has experience to add a NLS to the protein of interest?
17 August 2018 1,008 5 View
Here I mentioned only Glass rod and silk cloth. This can be anything from triboelectric series. But, why should it happen? Why should different charges accumulate in two materials and then...
08 August 2018 1,635 2 View
Please explain the difference between each of these terms with physical equations and units.
08 August 2018 991 0 View
Physics laws are supposed to be valid, here as usual, not to be modifiable by humans. The laws of physics speak equally to foes and friends alike, at any epoch. That is not changed in this...
07 July 2018 3,316 4 View
Particles may be interpreted as field...
07 July 2018 3,939 43 View
What is history behind discovery of planck's constant ? I know what is written in text books of quantum theory. I want to know how they have concluded it.
07 July 2018 1,970 7 View
Can you also describe how optical properties, like colour, can be studied from DoS?
07 July 2018 4,964 0 View
Mysteries which are not solved by theoretical physicist or which have confusing theories ? I know there are many in astrophysics but dont want to focus on them now. Is gravity explained and...
07 July 2018 2,247 3 View