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  2. Plane (Dungeons & Dragons) - Wikipedia

    en.wikipedia.org/wiki/Plane_(Dungeons_&_Dragons)

    The energy planes are the Positive Material Plane and Negative Material Plane. In his review of the Planescape Campaign Setting boxed set, Gene Alloway felt that the set would provide players with a good sense of "the sheer force of nature that drives all the Inner Planes. The Inner Planes don't have anything against you—they're hard on ...

  3. Manual of the Planes - Wikipedia

    en.wikipedia.org/wiki/Manual_of_the_Planes

    The Elemental Chaos – the plane below; consists of Elemental Realms; 4. Demiplanes – unique bubbles of existence such as Sigil; 5. Anomalous Planesplanes of an obscure nature The Far Realm – uncharted plane that exists beyond the known cosmology; The Plane of Dreams – composed of all the dreams that have ever been dreamt

  4. Talbot effect - Wikipedia

    en.wikipedia.org/wiki/Talbot_effect

    Due to the quantum mechanical wave nature of particles, diffraction effects have also been observed with atoms—effects which are similar to those in the case of light. . Chapman et al. carried out an experiment in which a collimated beam of sodium atoms was passed through two diffraction gratings (the second used as a mask) to observe the Talbot effect and measure the Talbot length

  5. List of particles - Wikipedia

    en.wikipedia.org/wiki/List_of_particles

    The pions are quasi-goldstone bosons (quasi- because they are not exactly massless) of the broken chiral isospin symmetry of quantum chromodynamics. Parton, is a generic term coined by Feynman for the sub-particles making up a composite particle – at that time a baryon – hence, it originally referred to what are now called "quarks" and ...

  6. Quasicrystal - Wikipedia

    en.wikipedia.org/wiki/Quasicrystal

    The discovery of these aperiodic forms in nature has produced a paradigm shift in the field of crystallography. In crystallography the quasicrystals were predicted in 1981 by a five-fold symmetry study of Alan Lindsay Mackay , [ 4 ] —that also brought in 1982, with the crystallographic Fourier transform of a Penrose tiling , [ 5 ] the ...

  7. List of elements by stability of isotopes - Wikipedia

    en.wikipedia.org/wiki/List_of_elements_by...

    The darker more stable isotope region departs from the line of protons (Z) = neutrons (N), as the element number Z becomes larger. This is a list of chemical elements by the stability of their isotopes. Of the first 82 elements in the periodic table, 80 have isotopes considered to be stable. [1] Overall, there are 251 known stable isotopes in ...

  8. These elements already have images but they are not the highest quality. These elements aren't too rare, so it shouldn't be too hard to find other pictures. Google's probably the best bet here but it may also be worth asking one of Wikipedia's element photographers (a certain person comes to mind) to see if they can get a better photo. Barium ...

  9. List of quasiparticles - Wikipedia

    en.wikipedia.org/wiki/List_of_quasiparticles

    Heavy and light species of molecules were found to rotate inside superfluid helium droplets, in good agreement with the angulon theory. [2] [3] Anyon: A type of quasiparticle that occurs only in two-dimensional systems, with properties much less restricted than fermions and bosons. exciton Biexciton: A bound state of two free excitons: Bion