full symmetry
81Géza Frid — (January 25 1904, Máramarossziget September 13 1989, Beverwijk) was a Hungarian/Dutch composer and pianist.Early yearsGéza Frid was born in the Máramaros region of Hungary (now in Romania) and studied piano and composition in Budapest with a.o.… …
82Magnetic monopole — It is impossible to make magnetic monopoles from a bar magnet. If a bar magnet is cut in half, it is not the case that one half has the north pole and the other half has the south pole. Inst …
83Bisected hexagonal tiling — Type Dual semiregular tiling Faces 30 60 90 triangle Face configuration V4.6.12 …
84Software tools for molecular microscopy — There are a large number of software tools or software applications that have been specifically developed for the field sometimes referred to as molecular microscopy or cryo electron microscopy or cryoEM. Several special issues of the Journal of… …
85Physics beyond the Standard Model — Beyond the Standard Model Standard Model …
86Echinoderm — Temporal range: Cambrian–recent …
87quasicrystal — /kway zuy kris tl, kway suy , kwah see , zee /, n. a form of solid matter whose atoms are arranged like those of a crystal but assume patterns that do not exactly repeat themselves. [1985 90] * * * Introduction also called quasi periodic crystal …
88Quantum number — Quantum numbers describe values of conserved numbers in the dynamics of the quantum system. They often describe specifically the energies of electrons in atoms, but other possibilities include angular momentum, spin etc.Since any quantum system… …
89Topological string theory — In theoretical physics, topological string theory is a simplified version of string theory. The operators in topological string theory represent the algebra of operators in the full string theory that preserve a certain amount of supersymmetry.… …
90Introduction to gauge theory — This article is an accessible, non technical introduction to the subject. For the main encyclopedia article, see Gauge theory. Quantum field theory …
