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  2. Variable speed of light - Wikipedia

    en.wikipedia.org/wiki/Variable_speed_of_light

    Attempts to incorporate a variable speed of light into physics were made by Robert Dicke in 1957, and by several researchers starting from the late 1980s. VSL should not be confused with faster than light theories, its dependence on a medium 's refractive index or its measurement in a remote observer's frame of reference in a gravitational ...

  3. John Moffat (physicist) - Wikipedia

    en.wikipedia.org/wiki/John_Moffat_(physicist)

    In 1992, John Moffat proposed that the speed of light was much larger in the early universe, in which the speed of light had a value of more than 10 30 km/s. [2] He published his " variable speed of light " (VSL) theory in two places—on the Los Alamos National Laboratory's (LANL) online archive, 16 Nov. 1992, [ 4 ] and in a 1993 edition of ...

  4. Speed of light - Wikipedia

    en.wikipedia.org/wiki/Speed_of_Light

    In classical physics, light is described as a type of electromagnetic wave. ... [132] [133] and that the speed of light is variable, decreasing in denser bodies.

  5. Time-variation of fundamental constants - Wikipedia

    en.wikipedia.org/wiki/Time-variation_of...

    Attempts to incorporate a variable speed of light into physics were made by Robert Dicke in 1957, and by several researchers starting from the late 1980s. VSL should not be confused with faster than light theories, its dependence on a medium's refractive index or its measurement in a remote observer's frame of reference in a gravitational ...

  6. João Magueijo - Wikipedia

    en.wikipedia.org/wiki/João_Magueijo

    João Magueijo (born 1967) is a Portuguese cosmologist and professor in theoretical physics at Imperial College London. He is a pioneer of the varying speed of light (VSL) theory. Education and career

  7. List of relativistic equations - Wikipedia

    en.wikipedia.org/wiki/List_of_relativistic_equations

    In this context, "speed of light" really refers to the speed supremum of information transmission or of the movement of ordinary (nonnegative mass) matter, locally, as in a classical vacuum. Thus, a more accurate description would refer to c 0 {\displaystyle c_{0}} rather than the speed of light per se.

  8. Horizon problem - Wikipedia

    en.wikipedia.org/wiki/Horizon_problem

    The horizontal axis is comoving distance, the vertical axis is conformal time, and the units have the speed of light as 1. For reference . The theory of cosmic inflation has attempted to address the problem by positing a 10 −32 -second period of exponential expansion in the first second of the history of the universe due to a scalar field ...

  9. List of common physics notations - Wikipedia

    en.wikipedia.org/wiki/List_of_common_physics...

    speed of light (in vacuum) 299,792,458 meters per second (m/s) speed of sound: meter per second (m/s) specific heat capacity: joule per kilogram per kelvin (J⋅kg −1 ⋅K −1) viscous damping coefficient kilogram per second (kg/s) electric displacement field also called the electric flux density coulomb per square meter (C/m 2)