Questions tagged [applied-physics]
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Deriving the Cable Equation from Maxwell's Equations
My goal is to reach equation 12 on this wikipedia page: Cable Theory. The demonstration is usually done by making an infinitesimal circuit, but I would like to get there via Maxwell's Equations by ...
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Okay, I know the risks. ( Amateur Rocket.) [closed]
I am currently attending a school for electrical science. A small group of students and our instructor are attempting group project to build a liquid fuel rocket. (I know it is a bit out of the scope ...
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Applications of Schrodinger's to dark solitons [closed]
The Schrodinger equation (SE) admits dark solitons as particular solutions. The SE and the The Korteweg-de Vries (KdV) equations can be used to model them.
Questions:
What are the applications of ...
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Calculating temperature when it is lower than your thermometers can read?
We have an old freezer. I believe the thermostat is broken and think it may run all the time. Food in it gets really cold (Ice cream like concrete). I've tried measuring the temp with a freezer ...
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How would I calculate the heat change of compressed air?
My friend is working on a snow gun, which involves using compressed air to blow apart water coming out of a pressure washer. I read that you can cool air by compressing it, which makes it hot, then ...
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Why does radar have a much longer range than infrared sensors? (in the context of military aircraft)
In the context of military aircraft and missiles, radars often have ranges of hundreds of kilometers, while thermal infrared sensors can only barely reach 100 km in the best of circumstances. But ...
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Application of Schwinger-Keldysh formalism in various topics except cosmology
I want to find some theories or models on Schwinger-Keldysh formalism (in-in formalism) focusing on flat spacetime in terms of correlation functions. For example, I know there are many applications ...
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Where special and general relativity must be used in engineering?
As I know Newton physics is used for most engineering, aerospace, mechanical, naval etc.
Where we must use Theory of Special Relativity and Theory of General Relativity to get correct results, only ...
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Why do some microwave meal instructions violate the 'Specific Absorption Rate' rule?
Do Microwave oven heating times grow linearly with Wattage? Calculating optimal heating time states that the product of the microwave power and cooking time should be constant. However, some meals ...
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Predict color of dye under a certain wavelength of light?
I am picking fluorescent dyes to be put under a UV of known wavelength and would like to be able to predict approximately what color the dyes will appear under the light. I can request ...
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What technological advance would a room temperature superconductor allow? [closed]
I have read a recently published paper on arXiv where the scientists claim to have developed a superconductor material working at room temperature and pressure.
While it is clear that the results - if ...
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