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  2. Five themes of geography - Wikipedia

    en.wikipedia.org/wiki/Five_themes_of_geography

    Absolute location, a location as described by its latitude and longitude on the Earth. For example, the coordinates of Albany, New York are 42.6525° N, 73.7572° W. Relative location, a location as described by where it is compared to something else. For example, Albany, New York is roughly 140 miles north of New York City.

  3. Location - Wikipedia

    en.wikipedia.org/wiki/Location

    For example, the position of New York City in the United States can be expressed using the coordinate system as the location 40.7128°N (latitude), 74.0060°W ( Absolute locations are also relative locations, since even absolute locations are expressed relative to something else. For example, longitude is the number of degrees east or west of ...

  4. Relativity of simultaneity - Wikipedia

    en.wikipedia.org/wiki/Relativity_of_simultaneity

    [9] [10] [11] In 1908, Hermann Minkowski introduced the concept of a world line of a particle [ 12 ] in his model of the cosmos called Minkowski space . In Minkowski's view, the naïve notion of velocity is replaced with rapidity , and the ordinary sense of simultaneity becomes dependent on hyperbolic orthogonality of spatial directions to the ...

  5. Central Board of Secondary Education - Wikipedia

    en.wikipedia.org/wiki/Central_Board_of_Secondary...

    CBSE conducts the final examinations for Class 10 and Class 12 every year in the months of February and March. The results are announced by the end of May. [ 8 ] The board earlier conducted the AIEEE Examination for admission to undergraduate courses in engineering and architecture in colleges across India, however, the AIEEE exam was merged ...

  6. Principle of locality - Wikipedia

    en.wikipedia.org/wiki/Principle_of_locality

    [11]: 98 Consequently, Bell's theorem does not restrict the possibility of nonlocal variables as well as theories based on retrocausality or superdeterminism. [ 2 ] Because of the probabilistic nature of wave function collapse, this apparent violation of locality in quantum mechanics cannot be used to transmit information faster than light, in ...

  7. Uncertainty principle - Wikipedia

    en.wikipedia.org/wiki/Uncertainty_principle

    where = is the reduced Planck constant.. The quintessentially quantum mechanical uncertainty principle comes in many forms other than position–momentum. The energy–time relationship is widely used to relate quantum state lifetime to measured energy widths but its formal derivation is fraught with confusing issues about the nature of time.

  8. Event (relativity) - Wikipedia

    en.wikipedia.org/wiki/Event_(relativity)

    For example, a glass breaking on the floor is an event; it occurs at a unique place and a unique time. [1] Strictly speaking, the notion of an event is an idealization , in the sense that it specifies a definite time and place, whereas any actual event is bound to have a finite extent, both in time and in space.

  9. Archimedes' principle - Wikipedia

    en.wikipedia.org/wiki/Archimedes'_principle

    (This formula is used for example in describing the measuring principle of a dasymeter and of hydrostatic weighing.) Example: If you drop wood into water, buoyancy will keep it afloat. Example: A helium balloon in a moving car. When increasing speed or driving in a curve, the air moves in the opposite direction to the car's acceleration.