• A variable speed of light (VSL) is a feature of a family of hypotheses stating that the speed of light may in some way not be constant, for example, that...
    21 KB (2,600 words) - 17:35, 7 March 2025
  • Thumbnail for Horizon problem
    universe or a variable speed of light. The distances of observable objects in the night sky correspond to times in the past. We use the light-year (the distance...
    13 KB (1,813 words) - 22:50, 5 February 2025
  • Thumbnail for John Moffat (physicist)
    John Moffat (physicist) (category Academic staff of the University of Toronto)
    matter. He proposes a variable speed of light approach to cosmological problems. The speed of light c may have been more than 15 orders of magnitude higher...
    19 KB (2,249 words) - 22:31, 12 April 2025
  • theory of relativity against a competing 1908 emission theory by Walther Ritz that postulated a variable speed of light dependent on the velocity of the...
    8 KB (925 words) - 16:52, 17 April 2025
  • finite invariant speed does not exist (the only invariant speed predicted by Newtonian mechanics is infinity). Variable speed of light Red Queen's race...
    1 KB (140 words) - 11:46, 15 January 2024
  • {e^{2}}{2\epsilon _{0}ch}}} . A variable speed of light (VSL) is a feature of a family of hypotheses stating that the speed of light may in some way not be constant...
    18 KB (2,477 words) - 14:11, 18 April 2025
  • Faster-than-light (superluminal or supercausal) travel and communication are the conjectural propagation of matter or information faster than the speed of light in...
    67 KB (7,979 words) - 08:08, 13 May 2025
  • Thumbnail for Speed of light
    The speed of light in vacuum, commonly denoted c, is a universal physical constant exactly equal to 299,792,458 metres per second (approximately 300,000...
    140 KB (14,707 words) - 09:33, 19 April 2025
  • Photon (redirect from Energy of light)
    Single-photon source Static forces and virtual-particle exchange Variable speed of light The issue was first formulated by Theodore Duddell Newton and Eugene...
    103 KB (11,278 words) - 03:09, 14 May 2025
  • Thumbnail for Variable-pitch propeller (aeronautics)
    the continuously variable transmission is to the motorcar: the engine can be kept running at its optimum speed, regardless of the speed at which the aircraft...
    20 KB (2,459 words) - 18:30, 1 December 2024
  • Bimetric gravity (category Theories of gravity)
    speed of light could be energy-dependent, enabling models with a variable speed of light. If the two metrics are dynamical and interact, a first possibility...
    25 KB (3,398 words) - 06:22, 14 April 2025
  • explanations such as a variable speed of light more appropriate? Hubble tension: If ΛCDM is correct, why are measurements of the Hubble constant failing...
    29 KB (3,270 words) - 14:33, 15 April 2025
  • Thumbnail for Speed limit
    authorities. Speed limits may also be variable, or in some places nonexistent, such as on most of the Autobahnen in Germany. The first numeric speed limit for...
    162 KB (18,132 words) - 01:26, 22 May 2025
  • on Montmartre. The light source was interrupted by a rotating cogwheel with 720 notches that could be rotated at a variable speed several times a second...
    7 KB (738 words) - 12:53, 17 February 2025
  • but are other possible explanations such as a variable speed of light more appropriate? Origin and future of the universe: How did the conditions for anything...
    104 KB (11,318 words) - 14:37, 8 May 2025
  • Thumbnail for Cosmic inflation
    context of a bouncing-universe scenario. Cosmological models employing a variable speed of light have been proposed to resolve the horizon problem of and...
    106 KB (12,602 words) - 12:33, 4 April 2025
  • Thumbnail for Variable-length intake manifold
    In internal combustion engines, a variable-length intake manifold (VLIM),variable intake manifold (VIM), or variable intake system (VIS) is an automobile...
    11 KB (1,245 words) - 11:28, 1 May 2025
  • speed and momentum. Another consequence of the squashing is that the propagation of particles is deformed, even of light, leading to a variable speed...
    21 KB (3,166 words) - 14:18, 2 December 2024
  • Thumbnail for Variable-geometry turbocharger
    Variable-geometry turbochargers (VGTs), occasionally known as variable-nozzle turbochargers (VNTs), are a type of turbochargers, usually designed to allow...
    11 KB (1,328 words) - 06:55, 17 October 2024
  • Thumbnail for Variable-message sign
    unique types of variable message signs under its jurisdiction, at least one of which has been replaced by newer signs. They are: "REDUCE SPEED" neon signs...
    22 KB (2,600 words) - 16:05, 10 March 2025
  • Thumbnail for Variable-sweep wing
    shape to be changed, it is a feature of a variable-geometry aircraft. A straight wing is most efficient for low-speed flight, but for an aircraft designed...
    42 KB (4,743 words) - 04:11, 18 March 2025
  • to: Variable c, variable speed of light variable declaration of "c" in computer programming C variable types and declarations M33 Var C, see List of most...
    223 bytes (64 words) - 01:21, 1 March 2013
  • Thumbnail for Ali Moustafa Mosharafa
    Ali Moustafa Mosharafa (category Alumni of the University of Nottingham)
    Equations and a Variable Speed of Light (Proceedings of the Mathematical and Physical Society of Egypt, No. 1, Vol. 1) - (1937) The Principle of Indeterminacy...
    15 KB (1,710 words) - 02:29, 11 November 2024
  • Rindler coordinates (category Theory of relativity)
    {\displaystyle x} , and the coordinate light speed | d x | / | d t | {\displaystyle |dx|/|dt|} (this variable speed of light does not contradict special relativity...
    66 KB (7,773 words) - 18:05, 5 February 2025
  • abbreviations: 5MT: 5-speed manual transmission A4: 4-speed automatic transmission A5: 5-speed automatic transmission A6: 6-speed automatic transmission...
    6 KB (680 words) - 10:22, 29 January 2025
  • Thumbnail for Timeline of special relativity and the speed of light
    special relativity or Variable speed of light. 1632 – Galileo Galilei writes about the relativity of motion and that some forms of motion are undetectable;...
    35 KB (3,829 words) - 22:23, 28 April 2025
  • Thumbnail for Cepheid variable
    A Cepheid variable (/ˈsɛfi.ɪd, ˈsiːfi-/) is a type of variable star that pulsates radially, varying in both diameter and temperature. It changes in brightness...
    38 KB (4,309 words) - 13:37, 26 March 2025
  • MythBusters" and the Return of "Punkin Chunkin"". The Futon Critic. March 31, 2016. Retrieved August 10, 2016. "Does life speed up as you get older?". "About...
    93 KB (1,711 words) - 20:18, 11 April 2025
  • Thumbnail for Optical chopper
    chopper is a device which periodically interrupts a light beam. Three types are available: variable frequency rotating disc choppers, fixed frequency tuning...
    5 KB (673 words) - 13:21, 16 February 2024
  • sensor Speed sensor Throttle position sensor Tire pressure sensor Torque sensor Transmission fluid temperature sensor Turbine speed sensor Variable reluctance...
    12 KB (1,031 words) - 09:13, 25 February 2025