in higher spheres
1Homotopy groups of spheres — In the mathematical field of algebraic topology, the homotopy groups of spheres describe how spheres of various dimensions can wrap around each other. They are examples of topological invariants, which reflect, in algebraic terms, the structure… …
2Hard spheres — are widely used as model particles in the statistical mechanical theory of fluids and solids. They are defined simply as impenetrable spheres that cannot overlap in space. They mimic the extremely strong repulsion that atoms and spherical… …
3Dyson spheres in fiction — This is a listing of the use of the Dyson sphere concept in popular fiction. For a discussion of the general concept and its history, see the main article.In science fiction some additional fictional technologies are described to enhance… …
4Music of the spheres — Music Mu sic, n. [F. musique, fr. L. musica, Gr. ? (sc. ?), any art over which the Muses presided, especially music, lyric poetry set and sung to music, fr. ? belonging to Muses or fine arts, fr. ? Muse.] 1. The science and the art of tones, or… …
5Spiritualism — Not to be confused with Spirituality. This article is about the religion. For other uses of spiritualism, see Spiritualism (disambiguation). By 1853, when the popular song Spirit Rappings was published, Spiritualism was an object of intense… …
6ELIMELECH OF LYZHANSK — (1717–1787), popular ẓaddik of the third generation of Ḥasidim and one of the founders of Ḥasidism in Galicia. Elimelech was a disciple of dov baer the Maggid of Mezhirech and is considered the theoretician and creator of practical ẓaddikism.… …
7VISIONS — The Hebrew Bible contains descriptions of many visions, especially those of God and His angel (or angels). When the appearance of God is mentioned as part of the biblical narrative, it is difficult to say if, in that specific case, the author… …
8Piccarda — Donati was a 13th century Italian noblewoman. She appears as a character in Dante s classic Divine Comedy .Piccarda, sister of Corso Donati and of Dante s friend Forese Donati, is the first character Dante encounters in Paradise. She is on the… …
9Archeus — In alchemy, Archeus, or archaeus, is a term used generally to refer to the lowest and most dense aspect of the astral plane which presides over the growth and continuation of all living beings. The term was used by medieval Paracelsus and those… …
10Biogeochemistry — The field of biogeochemistry involves scientific study of the chemical, physical, geological, and biological processes and reactions that govern the composition of the natural environment (including the biosphere, the hydrosphere, the pedosphere …
