The models tag has no wiki summary.
36
votes
7answers
5k views
Why do people categorically dismiss some simple quantum models?
Deterministic models. Clarification of the question:
The problem with these blogs is that people are inclined to start yelling at each other (I admit, I got infected and it's difficult not to raise ...
20
votes
6answers
3k views
Why don't electrons crash into the nuclei they “orbit”?
I'm having trouble understanding the simple "planetary" model of the atom that I'm being taught in my basic chemistry course.
In particular,
I can't see how a negatively charged electron can stay ...
8
votes
2answers
317 views
Do current models of particle physics explain the chemical properties of elements/compounds?
I have a particle system of seven protons and seven (or sometimes eight) neutrons (each formed by their appropriate quarks, etc.) bound together in a state that can be macroscopically described as a ...
7
votes
3answers
489 views
Is anyone studying how the topology of space arises from more fundamental notions?
Stephen Wolfram in his book "A New Kind of Science" touches on a model of space itself based on automata theory. That it, he makes some suggestions about modelling not only the behaviour of matter ...
4
votes
3answers
285 views
Guessing what a simple partial differential equation is describing physically
Is there an easy way to look at a partial different equation and get a sense of what kind of phenomena it is physically describing? I have an equation that looks like this:
...
3
votes
2answers
308 views
Why are continuum fluid mechanics accurate when constituents are discrete objects of finite size?
Suppose we view fluids classically, i.e., as a collection of molecules (with some finite size) interacting via e&m and gravitational forces. Presumably we model fluids as continuous objects that ...
2
votes
2answers
300 views
Software for simulating 3D Newtonian dynamics of simple geometric objects (with force fields)
I'm looking for something short of a molecular dynamics package, where I can build up simple geometric shapes with flexible linkages/etc and simulate the consequences of electrostatic repulsion ...
3
votes
4answers
1k views
Bohr's model of an atom doesn't seem to have overcome the drawback of Rutherford's model
We, as high school students have been taught that-because Bohr's model of an atom assigns specific orbits for electrons-that it is better than Rutherford's model. But what Rutherford failed to explain ...
6
votes
1answer
364 views
't Hooft for laypersons
I have looked at some of 't Hooft's recent papers and, unfortunately, they are well beyond my current level of comprehension. The same holds for the discussions that took place on this website. (See, ...
3
votes
2answers
530 views
Approximating mean daily and hourly temperature beyond Fourier series
Summary: What "well-known" and short parametrized mathematical
function describes daily and hourly temperature for a given location?
If you look at the mean daily temperature graph for a given ...
2
votes
1answer
312 views
Modelling noise with distance
I was wondering about the relation between noise with distance, assuming a point source, using sound as the method for communication and air as the medium of communication. Obviously as the distance ...
