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  2. Hilbert's problems - Wikipedia

    en.wikipedia.org/wiki/Hilbert's_problems

    The 6th problem concerns the axiomatization of physics, a goal that 20th-century developments seem to render both more remote and less important than in Hilbert's time. Also, the 4th problem concerns the foundations of geometry, in a manner that is now generally judged to be too vague to enable a definitive answer.

  3. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    In 1959, Anatoly Kitov proposed to the Central Committee of the Communist Party of the Soviet Union a detailed plan for the re-organization of the control of the Soviet armed forces and of the Soviet economy on the basis of a network of computing centers. [9] Kitov's proposal was rejected, as later was the 1962 OGAS economy management network ...

  4. Collatz conjecture - Wikipedia

    en.wikipedia.org/wiki/Collatz_conjecture

    [7] Jeffrey Lagarias stated in 2010 that the Collatz conjecture "is an extraordinarily difficult problem, completely out of reach of present day mathematics". [8] However, though the Collatz conjecture itself remains open, efforts to solve the problem have led to new techniques and many partial results. [8] [9]

  5. Problem-based learning - Wikipedia

    en.wikipedia.org/wiki/Problem-based_learning

    Problem-based learning (PBL) is a teaching method in which students learn about a subject through the experience of solving an open-ended problem found in trigger material. The PBL process does not focus on problem solving with a defined solution, but it allows for the development of other desirable skills and attributes.

  6. Problem solving - Wikipedia

    en.wikipedia.org/wiki/Problem_solving

    Problem solving is the process of achieving a goal by overcoming obstacles, a frequent part of most activities. Problems in need of solutions range from simple personal tasks (e.g. how to turn on an appliance) to complex issues in business and technical fields.

  7. Engineering - Wikipedia

    en.wikipedia.org/wiki/Engineering

    The American Engineers' Council for Professional Development (ECPD, the predecessor of ABET) [4] has defined "engineering" as: . The creative application of scientific principles to design or develop structures, machines, apparatus, or manufacturing processes, or works utilizing them singly or in combination; or to construct or operate the same with full cognizance of their design; or to ...

  8. George Washington - Wikipedia

    en.wikipedia.org/wiki/George_Washington

    Washington set enduring precedents for the office of president, including republicanism, a peaceful transfer of power, the use of the title "Mr. President", and the two-term tradition. His 1796 farewell address became a preeminent statement on republicanism: Washington wrote about the importance of national unity and the dangers that ...

  9. Language - Wikipedia

    en.wikipedia.org/wiki/Language

    A lesson at Kituwah Academy, a school where English and the Cherokee language are mediums of instruction. First language acquisition proceeds in a fairly regular sequence, though there is a wide degree of variation in the timing of particular stages among normally developing infants.