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  1. Planck’s constant, (symbol h), fundamental physical constant characteristic of the mathematical formulations of quantum mechanics, which describes the behaviour of particles and waves on the atomic scale, including the particle aspect of light. The German physicist Max Planck introduced the constant in 1900 in his accurate formulation of the distribution of the radiation emitted by a ...

  2. Jan 25, 2007 · In other words: When you drive a car, the engine burns fuel which creates a certain amount of CO2, depending on its fuel consumption and the driving distance. (CO2 is the chemical symbol for carbon dioxide). When you heat your house with oil, gas or coal, then you also generate CO2.

  3. › wiki › Equals_signEquals sign - Wikipedia

    The symbol used to denote inequation (when items are not equal) is a slashed equal sign ≠ (U+2260). In LaTeX , this is done with the " eq" command. Most programming languages, limiting themselves to the 7-bit ASCII character set and typeable characters , use ~= , != , /= , or <> to represent their Boolean inequality operator .

  4. › wiki › CaduceusCaduceus - Wikipedia

    The caduceus (☤; / k ə ˈ dj uː ʃ ə s,-s i ə s /; Latin: cādūceus, from Greek: κηρύκειον kērū́keion "herald's wand, or staff") is the staff carried by Hermes in Greek mythology and consequently by Hermes Trismegistus in Greco-Egyptian mythology.

  5. › wiki › TercetTercet - Wikipedia

    Examples of tercet forms. English-language haiku is an example of an unrhymed tercet poem. A poetic triplet is a tercet in which all three lines follow the same rhyme, AAA; triplets are rather rare; they are more customarily used sparingly in verse of heroic couplets or other couplet verse, to add extraordinary emphasis.

  6. The Jewish Encyclopedia cites a 12th-century Karaite document as the earliest Jewish literary source to mention a symbol called "Magen Dawid" (without specifying its shape). The name 'Shield of David' was used by at least the 11th century as a title of the God of Israel, independent of the use of the symbol.

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