differential transversal
11Schnittzahl — In der Differentialtopologie und in der Algebraischen Topologie bezeichnet die Schnittzahl eine ganze Zahl, die die Schnittmultiplizität angibt, welche den Schnittpunkten orientierter Untermannigfaltigkeiten bzw. Homologieklassen von orientierten …
12Flor — Para otros usos de este término, véase Flor (desambiguación). Partes de la flor …
13Déglutition atypique — La position de la langue joue un rôle essentiel dans la croissance de la face et dans les fonctions buccales (mastication, phonation, déglutition, etc.). Dans la déglutition atypique naissante, vestige de sa forme infantile, la langue s oppose à… …
14Force — For other uses, see Force (disambiguation). See also: Forcing (disambiguation) Forces are also described as a push or pull on an object. They can be due to phenomena such as gravity, magnetism, or anything that might cause a mass to accelerate …
15Inhomogeneous electromagnetic wave equation — Localized time varying charge and current densities can act as sources of electromagnetic waves in a vacuum. Maxwell s equations can be written in the form of a inhomogeneous electromagnetic wave equation (or often nonhomogeneous electromagnetic… …
16Embedding — In mathematics, an embedding (or imbedding) is one instance of some mathematical structure contained within another instance, such as a group that is a subgroup.When some object X is said to be embedded in another object Y , the embedding is… …
17Esteban Terradas i Illa — (born Barcelona, 15 September 1883; died Madrid, 9 May 1950) was a Spanish mathematician, scientist and engineer. He researched and taught widely in the fields of mathematics and the physical sciences, working not only in his native Catalonia,… …
18History of special relativity — The History of special relativity consists of many theoretical and empirical results of physicists like Hendrik Lorentz and Henri Poincaré, which culminated in the theory of special relativity proposed by Albert Einstein, and subsequent work of… …
19Tacoma Narrows Bridge (1940) — This article is about the first Tacoma Narrows Bridge, which collapsed in 1940. For the article on the current bridges, see Tacoma Narrows Bridge. Tacoma Narrows Bridge The original Tacoma Narrows Bridge roadway twisted and vibrated violently… …
20Speed of sound — Sound is a vibration that travels through an elastic medium as a wave. The speed of sound describes how much distance such a wave travels in a certain amount of time. In SI Units with dry air at 20 °C (68 °F), the speed of sound is 343 m/s. This… …
