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  2. The 10 to 1 ratio was an estimate made in 1972; current estimates put the ratio at either 3 to 1 or 1.3 to 1. [301] The total length of capillaries in the human body is not 100,000 km. That figure comes from a 1929 book by August Krogh, who used an unrealistically large model person and an inaccurately high density of capillaries.

  3. F. D. C. Willard - Wikipedia

    en.wikipedia.org/wiki/F._D._C._Willard

    F. D. C. Willard is sometimes included in lists of "Famous Cats" or "Historical Cats". As an April Fool's joke, in 2014 the American Physical Society announced that cat-authored papers, including the Hetherington/Willard paper, would henceforth be open-access (papers of the APS usually require subscription or membership for web access). [9]

  4. Federal Board of Intermediate and Secondary Education

    en.wikipedia.org/wiki/Federal_Board_of...

    The FBISE was established under the FBISE Act 1975. [2] It is an autonomous body of working under the Ministry of Federal Education and Professional Training. [3] The official website of FBISE was launched on June 7, 2001, and was inaugurated by Mrs. Zobaida Jalal, the Minister for Education [4] The first-ever online result of FBISE was announced on 18 August 2001. [5]

  5. Kalman filter - Wikipedia

    en.wikipedia.org/wiki/Kalman_filter

    The estimate is updated using a state transition model and measurements. x ^ k ∣ k − 1 {\displaystyle {\hat {x}}_{k\mid k-1}} denotes the estimate of the system's state at time step k before the k -th measurement y k has been taken into account; P k ∣ k − 1 {\displaystyle P_{k\mid k-1}} is the corresponding uncertainty.

  6. Richard Feynman - Wikipedia

    en.wikipedia.org/wiki/Richard_Feynman

    Richard Phillips Feynman (/ ˈ f aɪ n m ə n /; May 11, 1918 – February 15, 1988) was an American theoretical physicist.He is best known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, and in particle physics, for which he proposed the parton model.

  7. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    Second class honours, upper division (2:1) Second class honours, lower division (2:2) Third class honours (3rd) Ordinary degree (pass) UK Postgraduate Grading System. The postgraduate grading system for master's degrees in the UK is similar to the Honours system but differs in some points. [54] The minimum passing grade is 50% instead of 40%.

  8. Annus mirabilis papers - Wikipedia

    en.wikipedia.org/wiki/Annus_Mirabilis_papers

    The annus mirabilis papers (from Latin annus mīrābilis, "miraculous year") are four papers [a] that Albert Einstein published in the scientific journal Annalen der Physik (Annals of Physics) in 1905. As major contributions to the foundation of modern physics, these scientific publications were the ones for which he gained fame among ...

  9. Physical Review Letters - Wikipedia

    en.wikipedia.org/wiki/Physical_Review_Letters

    Physical Review Letters (PRL), established in 1958, is a peer-reviewed, scientific journal that is published 52 times per year by the American Physical Society.The journal is considered one of the most prestigious in the field of physics.