• Historical Perspectives
    Ancient Civilizations: Early human societies measured time using natural phenomena—such as the movement of the sun, moon, and stars. The Sumerians, Egyptians, and Mayans developed calendars and astronomical observations.

    Mechanical Clocks: The invention of mechanical clocks in medieval Europe revolutionized timekeeping. By the 14th century, clocks with escapements allowed for more accurate tracking of hours and minutes.

    Standard Time: The 19th century saw the establishment of standard time zones, essential for railways and communication networks. Sir Sandford Fleming proposed a worldwide standard time system in 1879, leading to the adoption of Greenwich Mean Time (GMT).

    Scientific Developments

    Relativity Theory: Albert Einstein's theories of relativity in the early 20th century fundamentally altered our understanding of time. Time is relative, affected by speed and gravity, leading to the concept of spacetime.

    Quantum Mechanics: In the realm of the very small, time behaves differently. Quantum mechanics introduces probabilities and uncertainties, challenging classical notions of time as a linear, continuous progression.

    Technological Advances
    Atomic Clocks: The development of atomic clocks in the mid-20th century provided unprecedented precision. These clocks, based on the vibrations of atoms, are accurate to within billionths of a second.

    Global Positioning System (GPS): GPS technology relies on the precision of atomic clocks to provide accurate positioning information. Time synchronization is crucial for the system's accuracy.

    Cultural Aspects

    Perception of Time: Different cultures perceive and value time differently. Western cultures often see time linearly and quantitatively, while many Eastern cultures view it cyclically and qualitatively.

    Time in Art and Literature: Time has been a central theme in art, Lost Time" to Salvador Dalí's "The Persistence of Memory" explore the nature and impact of time.

    Future Directions

    Temporal Physics: Research in temporal physics explores the nature of time, including the possibility of time travel, the directionality of time, and the flow of time in different environments.

    Artificial Intelligence and Time: AI can change how we interact with and manage time, from personal productivity tools to large-scale simulations of temporal processes.

    Societal Changes: As technology accelerates, our relationship with time continues to evolve. Concepts like the "singularity" suggest a future where time's progression could be fundamentally different from our current understanding.
    Historical Perspectives Ancient Civilizations: Early human societies measured time using natural phenomena—such as the movement of the sun, moon, and stars. The Sumerians, Egyptians, and Mayans developed calendars and astronomical observations. Mechanical Clocks: The invention of mechanical clocks in medieval Europe revolutionized timekeeping. By the 14th century, clocks with escapements allowed for more accurate tracking of hours and minutes. Standard Time: The 19th century saw the establishment of standard time zones, essential for railways and communication networks. Sir Sandford Fleming proposed a worldwide standard time system in 1879, leading to the adoption of Greenwich Mean Time (GMT). Scientific Developments Relativity Theory: Albert Einstein's theories of relativity in the early 20th century fundamentally altered our understanding of time. Time is relative, affected by speed and gravity, leading to the concept of spacetime. Quantum Mechanics: In the realm of the very small, time behaves differently. Quantum mechanics introduces probabilities and uncertainties, challenging classical notions of time as a linear, continuous progression. Technological Advances Atomic Clocks: The development of atomic clocks in the mid-20th century provided unprecedented precision. These clocks, based on the vibrations of atoms, are accurate to within billionths of a second. Global Positioning System (GPS): GPS technology relies on the precision of atomic clocks to provide accurate positioning information. Time synchronization is crucial for the system's accuracy. Cultural Aspects Perception of Time: Different cultures perceive and value time differently. Western cultures often see time linearly and quantitatively, while many Eastern cultures view it cyclically and qualitatively. Time in Art and Literature: Time has been a central theme in art, Lost Time" to Salvador Dalí's "The Persistence of Memory" explore the nature and impact of time. Future Directions Temporal Physics: Research in temporal physics explores the nature of time, including the possibility of time travel, the directionality of time, and the flow of time in different environments. Artificial Intelligence and Time: AI can change how we interact with and manage time, from personal productivity tools to large-scale simulations of temporal processes. Societal Changes: As technology accelerates, our relationship with time continues to evolve. Concepts like the "singularity" suggest a future where time's progression could be fundamentally different from our current understanding.
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  • “People need to be aware that there is a range of models that could explain the observations…

    For instance, I can construct you a spherically symmetrical universe with Earth at its center, and you cannot disprove it based on observations… You can only exclude it on philosophical grounds…

    What I want to bring into the open is the fact that we are using philosophical criteria in choosing our models. A lot of cosmology tries to hide that.” - George Ellis – W. Wayt Gibbs, “Profile: George F. R. Ellis,” Scientific American, October 1995, Vol. 273, No.4, p. 55

    As Einstein himself noted, there simply is no experimental test that can ever be performed that can prove that the earth is not the center of the universe:

    “One need not view the existence of such centrifugal forces as originating from the motion of K’ [the Earth]; one could just as well account for them as resulting from the average rotational effect of distant, detectable masses as evidenced in the vicinity of K’ [the Earth], whereby K’ [the Earth] is treated as being at rest.” –Albert Einstein, quoted in Hans Thirring, “On the Effect of Distant Rotating Masses in Einstein’s Theory of Gravitation”, Physikalische Zeitschrift 22, 29, 1921 “We can’t feel our motion through space, nor has any physical experiment ever proved that the Earth actually is in motion.,,, If all the objects in space were removed save one, then no one could say whether that one remaining object was at rest or hurtling through the void at 100,000 miles per second” Historian Lincoln Barnett – “The Universe and Dr. Einstein” – pg 73 (contains a foreword by Albert Einstein)

    In regards to General Relativity overturning the Copernican Principle, Fred Hoyle stated,
    “The relation of the two pictures [geocentrism and geokineticism] is reduced to a mere coordinate transformation and it is the main tenet of the Einstein theory that any two ways of looking at the world which are related to each other by a coordinate transformation are entirely equivalent from a physical point of view…. Today we cannot say that the Copernican theory is ‘right’ and the Ptolemaic theory ‘wrong’ in any meaningful physical sense.” Hoyle, Fred. Nicolaus Copernicus. London: Heinemann Educational Books Ltd., 1973.

    https://uncommondescent.com/intelligent-design/the-science-based-arguments-against-copernicus-and-galileo/
    “People need to be aware that there is a range of models that could explain the observations… For instance, I can construct you a spherically symmetrical universe with Earth at its center, and you cannot disprove it based on observations… You can only exclude it on philosophical grounds… What I want to bring into the open is the fact that we are using philosophical criteria in choosing our models. A lot of cosmology tries to hide that.” - George Ellis – W. Wayt Gibbs, “Profile: George F. R. Ellis,” Scientific American, October 1995, Vol. 273, No.4, p. 55 As Einstein himself noted, there simply is no experimental test that can ever be performed that can prove that the earth is not the center of the universe: “One need not view the existence of such centrifugal forces as originating from the motion of K’ [the Earth]; one could just as well account for them as resulting from the average rotational effect of distant, detectable masses as evidenced in the vicinity of K’ [the Earth], whereby K’ [the Earth] is treated as being at rest.” –Albert Einstein, quoted in Hans Thirring, “On the Effect of Distant Rotating Masses in Einstein’s Theory of Gravitation”, Physikalische Zeitschrift 22, 29, 1921 “We can’t feel our motion through space, nor has any physical experiment ever proved that the Earth actually is in motion.,,, If all the objects in space were removed save one, then no one could say whether that one remaining object was at rest or hurtling through the void at 100,000 miles per second” Historian Lincoln Barnett – “The Universe and Dr. Einstein” – pg 73 (contains a foreword by Albert Einstein) In regards to General Relativity overturning the Copernican Principle, Fred Hoyle stated, “The relation of the two pictures [geocentrism and geokineticism] is reduced to a mere coordinate transformation and it is the main tenet of the Einstein theory that any two ways of looking at the world which are related to each other by a coordinate transformation are entirely equivalent from a physical point of view…. Today we cannot say that the Copernican theory is ‘right’ and the Ptolemaic theory ‘wrong’ in any meaningful physical sense.” Hoyle, Fred. Nicolaus Copernicus. London: Heinemann Educational Books Ltd., 1973. https://uncommondescent.com/intelligent-design/the-science-based-arguments-against-copernicus-and-galileo/
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  • Robert Lea - James Webb Space Telescope finds dwarf galaxies packed enough punch to reshape the entire early universe:

    https://www.space.com/james-webb-space-telescope-dwarf-galaxies-cosmic-evolution

    #DwarfGalaxy #JamesWebb #JWST #GravitationalLensing #Abell2744 #BigBangTheory #BigBang #Reionization #GeneralRelativity #Relativity #Cosmology #Astrophysics #Astronomy
    Robert Lea - James Webb Space Telescope finds dwarf galaxies packed enough punch to reshape the entire early universe: https://www.space.com/james-webb-space-telescope-dwarf-galaxies-cosmic-evolution #DwarfGalaxy #JamesWebb #JWST #GravitationalLensing #Abell2744 #BigBangTheory #BigBang #Reionization #GeneralRelativity #Relativity #Cosmology #Astrophysics #Astronomy
    WWW.SPACE.COM
    James Webb Space Telescope finds dwarf galaxies packed enough punch to reshape the entire early universe
    "The main surprise is that these small faint galaxies had so much power, their cumulative radiation could transform the entire universe."
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  • Markus Bernards - A star like a Matryoshka doll: New theory for gravastars:

    https://phys.org/news/2024-02-star-matryoshka-doll-theory-gravastars.html

    #BlackHole #GravitationalCondensate #Gravastar #MatryoshkaDoll #Relativity #QuantumMechanics #Astrophysics #Physics
    Markus Bernards - A star like a Matryoshka doll: New theory for gravastars: https://phys.org/news/2024-02-star-matryoshka-doll-theory-gravastars.html #BlackHole #GravitationalCondensate #Gravastar #MatryoshkaDoll #Relativity #QuantumMechanics #Astrophysics #Physics
    PHYS.ORG
    A star like a Matryoshka doll: New theory for gravastars
    The interior of black holes remains a conundrum for science. In 1916, German physicist Karl Schwarzschild outlined a solution to Albert Einstein's equations of general relativity, in which the center of a black hole consists of a so-called singularity, a point at which space and time no longer exist. Here, the theory goes, all physical laws, including Einstein's general theory of relativity, no longer apply; the principle of causality is suspended.
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  • Keith Cooper - The Milky Way's black hole is shaping spacetime into a football:

    https://www.space.com/milky-way-black-hole-shaping-spacetime-football-super-bowl

    #SagittariusA #Sagittarius #BlackHole #GeneralRelativity #Relativity #LenseThirring #FrameDragging #WarpedSpacetime #FermiBubble #Astrophysics #Astronomy
    Keith Cooper - The Milky Way's black hole is shaping spacetime into a football: https://www.space.com/milky-way-black-hole-shaping-spacetime-football-super-bowl #SagittariusA #Sagittarius #BlackHole #GeneralRelativity #Relativity #LenseThirring #FrameDragging #WarpedSpacetime #FermiBubble #Astrophysics #Astronomy
    WWW.SPACE.COM
    Cosmic Super Bowl? The Milky Way's black hole is shaping spacetime into a football
    It would appear that Sagittarius A* is getting into the spirit of the Super Bowl.
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  • NANOGrav - Scientists use Exotic Stars to Tune into Hum from Cosmic Symphony:

    https://nanograv.org/news/15yrRelease

    #GravitationalWaves #PulsarTiming #Pulsars #RadioEmissions #Timekeeping #GeneralRelativity #Relativity #BlackHoleBinaries #BlackHoles #NANOGrav #CollaborativeResearch #CosmicOrchestra #Music #Astrophysics #Cosmology #RadioAstronomy #Astronomy
    NANOGrav - Scientists use Exotic Stars to Tune into Hum from Cosmic Symphony: https://nanograv.org/news/15yrRelease #GravitationalWaves #PulsarTiming #Pulsars #RadioEmissions #Timekeeping #GeneralRelativity #Relativity #BlackHoleBinaries #BlackHoles #NANOGrav #CollaborativeResearch #CosmicOrchestra #Music #Astrophysics #Cosmology #RadioAstronomy #Astronomy
    0 Reacties 0 aandelen 7K Views
  • Keith Cooper - Time appeared to move 5 times more slowly in 1st billion years after Big Bang, quasar 'clocks' reveal:

    https://www.space.com/quasar-clocks-universe-time-dilation

    #TimeDilation #Timekeeping #Time #BlackHoles #QuasarClock #Clock #Quasars #Redshift #GeneralRelativity #Relativity #Astrophysics #Cosmology
    Keith Cooper - Time appeared to move 5 times more slowly in 1st billion years after Big Bang, quasar 'clocks' reveal: https://www.space.com/quasar-clocks-universe-time-dilation #TimeDilation #Timekeeping #Time #BlackHoles #QuasarClock #Clock #Quasars #Redshift #GeneralRelativity #Relativity #Astrophysics #Cosmology
    WWW.SPACE.COM
    Time appeared to move 5 times more slowly in 1st billion years after Big Bang, quasar 'clocks' reveal
    Time dilation, brought about by the relativistic expansion of space, has resulted in the observed slowing of 'clocks' in the early universe.
    0 Reacties 0 aandelen 5K Views
  • Tanner Stening, Northeastern University - Researchers pull back the quantum curtain on 'Weyl fermions'

    https://phys.org/news/2023-05-quantum-curtain-weyl-fermions.html

    #WeylFermions #Fermions #TantalumArsenide #TaAs #QuantumMaterials #Relativity #QuantumMechanics #QuantumPhysics #Physics
    Tanner Stening, Northeastern University - Researchers pull back the quantum curtain on 'Weyl fermions' https://phys.org/news/2023-05-quantum-curtain-weyl-fermions.html #WeylFermions #Fermions #TantalumArsenide #TaAs #QuantumMaterials #Relativity #QuantumMechanics #QuantumPhysics #Physics
    PHYS.ORG
    Researchers pull back the quantum curtain on 'Weyl fermions'
    Northeastern researchers have made what they describe as a groundbreaking discovery in the field of quantum mechanics.
    0 Reacties 0 aandelen 4K Views
  • Matt Williams - A Black Hole Burps out Material, Years After Feasting on a Star

    https://www.universetoday.com/158074/a-black-hole-burps-out-material-years-after-feasting-on-a-star/

    #GeneralRelativity #Relativity #BlackHole #FeedingBehavior #MatterEjection #Burping #Burp #Spaghettification #TidalDisruptionEvents #TDE #AT2018hyz #Astrophysics #Astronomy
    Matt Williams - A Black Hole Burps out Material, Years After Feasting on a Star https://www.universetoday.com/158074/a-black-hole-burps-out-material-years-after-feasting-on-a-star/ #GeneralRelativity #Relativity #BlackHole #FeedingBehavior #MatterEjection #Burping #Burp #Spaghettification #TidalDisruptionEvents #TDE #AT2018hyz #Astrophysics #Astronomy
    WWW.UNIVERSETODAY.COM
    A Black Hole Burps out Material, Years After Feasting on a Star
    When observing a black hole that devoured a star three years earlier, an international team of astronomers noticed it "burping" material out at half the speed of light!
    0 Reacties 0 aandelen 3K Views
  • Matt Williams - A Highly Eccentric Black Hole Merger Detected for the First Time:

    https://www.universetoday.com/154281/a-highly-eccentric-black-hole-merger-detected-for-the-first-time/

    #LIGO #LASER #Virgo #GravitationalWave #GeneralRelativity #CCRG #ICERM #GW150521 #BlackHole #BlackHoleMerger #Merger #BlackHoleBinary #Supermassive #SMBH #NeutronStar #NeutronStarMerger #EccentricOrbit #HubbleConstant #Cosmology #Astronomy
    Matt Williams - A Highly Eccentric Black Hole Merger Detected for the First Time: https://www.universetoday.com/154281/a-highly-eccentric-black-hole-merger-detected-for-the-first-time/ #LIGO #LASER #Virgo #GravitationalWave #GeneralRelativity #CCRG #ICERM #GW150521 #BlackHole #BlackHoleMerger #Merger #BlackHoleBinary #Supermassive #SMBH #NeutronStar #NeutronStarMerger #EccentricOrbit #HubbleConstant #Cosmology #Astronomy
    WWW.UNIVERSETODAY.COM
    A Highly Eccentric Black Hole Merger Detected for the First Time
    Recent research into a gravitational wave event has revealed new insights into black hole mergers, cosmic expansion, and the growth of supermassive black holes.
    0 Reacties 0 aandelen 5K Views
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