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  • What is difference between homogeneous and isotropic material?
    The answer is different To conclude, I will just remark that homogeneity and isotropy are independent from each other Below you can see an homogeneous but not isotropic pattern on the left and an isotropic but not homogeneous pattern on the right (source) Edit: I should have specified this, but a material can be isotropic with respect to a
  • classical mechanics - Isotropy of fluids vs. hydrostatic pressure . . .
    Isotropy of fluids vs hydrostatic pressure (conflicting concepts to me) Ask Question Asked 2 years, 9 months ago Modified 2 years, 9 months ago
  • Reference frame doubts about isotropy - Physics Stack Exchange
    Homogeneity and isotropy of space in dynamics means the following in practice Consider an isolated (sufficiently far from the other bodies of the universe) mechanical system made of an arbitrary number of interacting bodies Prepare it with some initial conditions and record the dynamical evolution of the parties of the system with a fixed camera
  • What is meant when it is said that the universe is homogeneous and . . .
    It is sometimes said that the universe is homogeneous and isotropic What is meant by each of these descriptions? Are they mutually exclusive, or does one require the other? And what implications r
  • kinetic theory - What is isotropy actually how does it ensure that . . .
    Isotropy means that the probability of moving in one direction is the same as in any other, and this behavior is implemented in the mathematical models of statistical mechanics to show how thermodynamic quantities, like temperature and entropy, emerge from the aggregate of molecules
  • Angular momentum conservation and isotropy of space
    I don't really understand this statement How is the conservation of angular momentum associated with isotropy of space, I can't tell? And why exactly as an example of this association between angular momentum and isotropy of space they give the example of the invariance of a closed physical system under rotation?
  • Relation between Homogeneity and Isotropy of space?
    Isotropy expresses a symmetry of space which is the rotational one The Universe should mathematically look the same (its various quantities remain invariant) after you execute a rotation towards any direction or series of such
  • Does isotropy imply homogeneity? - Physics Stack Exchange
    They required the following: Use elementary thought experiments to show that isotropy of the universe implies homogeneity I know homogeneity as the universe is the same everywhere at a given time, and isotropy is related to direction I wonder how the isotropy of the universe implies homogeneity
  • What is the conservation law associated with isotropy of time?
    In my mind, the isotropy of time means physics law is the same in every time direction (analogous to space isotropy) Based on that logic, time has two directions, forward and backwards





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