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originally posted by: ErosA433
well not always, you see, there are ways we can measure distance fairly accurately. These methods are constantly researched and examined. The best is a type 1a supernova, which occur as a result of contact binary stars. It is a run away process that produces a fairly narrow range of energy, along with some reproduced time dependant afterglow etc
science continues to hone these measurements and update there accuracy or certainty so the level of 'assumption' is not as high as often people want to suggest.
On 'what is distance' 'what is space-time' These questions are valid but also gives an assumption perhaps that the truth is not what we already have. I mean distance and time come into many aspects of our day to day existence, experience, and in the objects we have constructed etc...
It mainly sounds like the normal argument of "How do you know, where you there to see it?" it tries to play down the advances of science and technology as invalid or worthless without actually understanding the details of the theory or what the state of scientific art is. So yes there is quite a few assumptions, we are the first to agree. Though these assumptions are not plucked from vacuum. They are taken on good scientific basis, with evidence. Many alternatives or people who postulate alternatives, mount assumptions ontop of assumptions without any basis or evidence other than, my point really is that more alternatives are based on big straw buildings, the state of science is a little more firm from my own experience.
The bigger picture here for many seems to be based on the assumptions that the foundations are wrong, but their own pet theory will fix everything without anything being scientifically different.
originally posted by: Mastronaut
Yes I suggest you follow more where funding is made by people who aren't used to be deceived by theories, but wants results on the basis of some experiments. Believing in the current paradigm has alway been wrong; I accept that if you want a career you can't avoid the framework, because all funding and academic jobs are driven by peer-reviewed publications, and I'm pretty sure the selection of the reviewers is the key to control where the flow of money is going, independently of the validity of the research.
originally posted by: ErosA433
Please, explain to me how you believe university physics is performed? because you appear to believe there is some kind of shadowy organization controlling cash flow (at an international level involving loads of different governments, in order to control the direction our theories go... ?
originally posted by: BASSPLYR
I'm sure I'll have some resident physicists smack me around for saying this but am I the only one who thinks dark matter is stupid? TO me it never made sense. Even as a kid I dismissed it outright as being stupid. Like it was a bad grasping at straws attempt to explain why the math didn't play out exactly right in the early theories of how the universe worked. And now they have too much pride to admit that it's a silly notion. I dunno I'm not a physicist and I'm sure one will come along and tell me to get in where I fit in which is not on some dark matter board. but to me when I first heard of dark matter it sounded like a child had come up with the idea.
originally posted by: Mastronaut
originally posted by: ImaFungi
Graviton would be separate from higgs concept. Graviton would be the particle that composes the gravity field which is 'warpable'.
Fields aren't composed of anything afaik, bosons are couplings between fields and particles. What you are saying is basically that gravitons are the space-time component, not exactly the gravity one.
originally posted by: ImaFungi
originally posted by: Mastronaut
Fields aren't composed of anything afaik, bosons are couplings between fields and particles. What you are saying is basically that gravitons are the space-time component, not exactly the gravity one.
Space time doesnt actually exist.
There is a medium which is displaced/(in simple minded 2d models)warped, in the presence of mass.
Do you want to call this medium the gravity field? or do you want to call this medium space time?
Some material/energy in some way must compose this field, this medium, that is displaced in the presence of mass.
Or you are suggesting, mass exists, and other energies and materials exist, and it is mass interacting with those other energies and materials that create the effect of gravity? That there is no particle system/entity/field that exists (like the ocean) that is displaced when mass is present in its midst?
Spin is one of two types of angular momentum in quantum mechanics, the other being orbital angular momentum. Orbital angular momentum is the quantum-mechanical counterpart to the classical notion of angular momentum: it arises when a particle executes a rotating or twisting trajectory (such as when an electron orbits a nucleus).[3][4] The existence of spin angular momentum is inferred from experiments, such as the Stern–Gerlach experiment, in which particles are observed to possess angular momentum that cannot be accounted for by orbital angular momentum alone.[5] In some ways, spin is like a vector quantity; it has a definite magnitude, and it has a "direction" (but quantization makes this "direction" different from the direction of an ordinary vector). All elementary particles of a given kind have the same magnitude of spin angular momentum, which is indicated by assigning the particle a spin quantum number.[2] The SI unit of spin is the joule-second, just as with classical angular momentum. In practice, however, it is written as a multiple of the reduced Planck constant ħ, usually in natural units, where the ħ is omitted, resulting in a unitless number. Spin quantum numbers are unitless numbers by definition. When combined with the spin-statistics theorem, the spin of electrons results in the Pauli exclusion principle, which in turn underlies the periodic table of chemical elements.
The electrons do not orbit the nucleus in the sense of a planet orbiting the sun, but instead exist as standing waves.
originally posted by: OOOOOO
So what is so weird about Dark Matter.
It is only a assumption.
The mystery of existence, is far more weird, than just about anything, I could think of.
People, it seems, are to accustom, to existence, to be really amazed, by it.
...
originally posted eventhough we know this to be the truth eventhough there just might be another theory to knock this one out of the park by: Willtell
a reply to: OOOOOO
I like that rap double triple O
All that said I know they must really know something since the Atomic bomb, pcs and Iphones are a reality.
Seriously I think this is a great thread!