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  2. Wikipedia:Prime objective - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Prime_objective

    According to Wikipedia co-founder Jimmy Wales, "the closest thing we have to a Prime Directive" [1] is to: "Imagine a world in which every single person on the planet is given free access to the sum of all human knowledge.

  3. Prime Directive - Wikipedia

    en.wikipedia.org/wiki/Prime_Directive

    The Prime Directive is one of many guidelines for Starfleet's mandate to explore the galaxy and "seek out new life and new civilizations." Although the concept of the Prime Directive has been alluded to and paraphrased by many Star Trek characters during the television series and feature films, the text of the directive was only revealed to viewers in 2021 during the Star Trek: Prodigy episode ...

  4. Prime lens - Wikipedia

    en.wikipedia.org/wiki/Prime_lens

    A variable prime is sometimes distinguished from a "true zoom" in that the latter maintains focus as the focal length is varied. This use of the term "prime lens" is an example of a retronym. Early in photography only primary camera lenses were available, and were merely called "lenses" or "objectives".

  5. Euclid's lemma - Wikipedia

    en.wikipedia.org/wiki/Euclid's_lemma

    The two first subsections, are proofs of the generalized version of Euclid's lemma, namely that: if n divides ab and is coprime with a then it divides b. The original Euclid's lemma follows immediately, since, if n is prime then it divides a or does not divide a in which case it is coprime with a so per the generalized version it divides b.

  6. Camera lens - Wikipedia

    en.wikipedia.org/wiki/Camera_lens

    Different kinds of camera lenses, including wide angle, telephoto and speciality. A camera lens (also known as photographic lens or photographic objective) is an optical lens or assembly of lenses (compound lens) used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.

  7. 1948 Palestinian expulsion and flight - Wikipedia

    en.wikipedia.org/wiki/1948_Palestinian_expulsion...

    On 11 May 1948 Ben-Gurion convened the "Consultancy"; the outcome of the meeting is confirmed in a letter to commanders of the Haganah Brigades telling them that the Arab legion's offensive should not distract their troops from the principal tasks: "the cleansing of Palestine remained the prime objective of Plan Dalet." [54]

  8. Reflecting telescope - Wikipedia

    en.wikipedia.org/wiki/Reflecting_telescope

    A prime focus telescope design. The observer/camera is at the focal point (shown as a red X). In a prime focus design no secondary optics are used, the image is accessed at the focal point of the primary mirror. At the focal point is some type of structure for holding a film plate or electronic detector.

  9. Primorial - Wikipedia

    en.wikipedia.org/wiki/Primorial

    p n # as a function of n, plotted logarithmically.. For the n th prime number p n, the primorial p n # is defined as the product of the first n primes: [1] [2] # = =, where p k is the k th prime number.