negative anisotropy
51Big Rip — Une section d univers subissant le Big Rip Le Big Rip (Grande déchirure en français) est un modèle cosmologique proposant un scénario inhabituel de la fin de l univers. Il prédit que la densité de celui ci se mettra à augmenter avec le temps, et… …
52Big rip — Chronologie du Modèle standard de la cosmologie Cosmologie quantique (?) Ère de Planck (?) Inflation cosmique Préchauffage Réchauffage Ère de grande u …
53metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
54Rubidium — krypton ← rubidium → strontium K ↑ Rb ↓ …
55Exchange interaction — In physics, the exchange interaction is a quantum mechanical effect without classical analog which increases or decreases the expectation value of the energy or distance between two or more identical particles when their wave functions overlap.… …
56Gyration tensor — The gyration tensor is a tensor that describes the second moments of position of a collection of particles :S {mn} stackrel{mathrm{def{=} frac{1}{N}sum {i=1}^{N} r {m}^{(i)} r {n}^{(i)}where r {m}^{(i)} is the mathrm{m^{th Cartesian coordinate of …
57ceramic composition and properties — Introduction atomic and molecular nature of ceramic (industrial ceramics) materials (materials processing) and their resulting characteristics and performance in industrial applications. Industrial ceramics are commonly understood to… …
58solids, mechanics of — ▪ physics Introduction science concerned with the stressing (stress), deformation (deformation and flow), and failure of solid materials and structures. What, then, is a solid? Any material, fluid or solid, can support normal forces.… …
59Fred Hoyle — Infobox Scientist box width = 300px name = Sir Fred Hoyle image size = 300px caption = Fred Hoyle (1915 2001) birth date = birth date|1915|6|24|df=y birth place = Gilstead, Bingley, West Yorkshire, England death date = death date and… …
60Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
