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Not your Grandfather's Gravity
 

Not your Grandfather's Gravity

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A very brief history of gravity & recent developments in the area, especially the FTL neutrinos & Verlinde's entropic gravity.

A very brief history of gravity & recent developments in the area, especially the FTL neutrinos & Verlinde's entropic gravity.

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    Not your Grandfather's Gravity Not your Grandfather's Gravity Presentation Transcript

    • Not your Grandfather’s Gravity! John AshmeadTuesday, May 31, 2011
    • Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Endeavor blasts offNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Outline • A brief history of gravity • The Runaway universe • At the edge of the knownNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • GalileoNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Orbits of the planetsNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Mysterium CosmographicumNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Mysterium CosmographicumNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Mysterium Cosmographicum Science is organized common sense where many a beautiful theory is killed by an ugly fact. - HuxleyNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Kepler’s orbits, Newton’s LawNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Kepler’s orbits, Newton’s LawNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Hollow EarthNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • CavendishNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • CavendishNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Equivalence principleNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Of ants & applesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Parallel transportNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Riemann Curvature Tensorb d Effect of curvature a b b c a d = ( ∇ ( b ) ∇ ( a ) − ∇ ( a ) ∇ ( b )) cNot your grandfather’s gravity www.timeandquantummechanics.com Tuesday, May 31, 2011
    • Einstein’s field equationNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Einstein’s field equation x =R x d d abc cNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Einstein’s field equation ⎛ ρ 0 0 0 ⎞ ⎜ ⎟ ⎜ 0 p 0 0 ⎟ x =R x d d abc c ( fluid ) Tµν = ⎜ 0 0 p 0 ⎟ ⎜ ⎟ ⎜ ⎝ 0 0 0 p ⎟ ⎠Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Einstein’s field equation ⎛ ρ 0 0 0 ⎞ ⎜ ⎟ ⎜ 0 p 0 0 ⎟ x =R x d d abc c ( fluid ) Tµν = ⎜ 0 0 p 0 ⎟ ⎜ ⎟ ⎜ ⎝ 0 0 0 p ⎟ ⎠ 1 8π G Rµν − gµν R = 2 Tµν 2 cNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Einstein’s field equation ⎛ ρ 0 0 0 ⎞ ⎜ ⎟ ⎜ 0 p 0 0 ⎟ x =R x d d abc c ( fluid ) Tµν = ⎜ 0 0 p 0 ⎟ ⎜ ⎟ ⎜ ⎝ 0 0 0 p ⎟ ⎠ 1 8π G Rµν − gµν R = 2 Tµν − gµν Λ 2 cNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Quantum gravity • Gravity is itself a source of gravity • Quantum mechanics predicts almost infinite cosmological constantNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Hawking RadiationNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Black hole information paradoxNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Black hole information paradoxNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Thermodynamics & gravityNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Thermodynamics & gravity • Surface gravity ~ TemperatureNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Thermodynamics & gravity • Surface gravity ~ Temperature • Area ~ entropyNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Thermodynamics & gravity • Surface gravity ~ Temperature • Area ~ entropy • Mass ~ energyNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Thermodynamics & gravity • Surface gravity ~ Temperature • Area ~ entropy • Mass ~ energyNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Entropic gravityNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Entropic gravityNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Entropic gravity For me gravity doesn’t exist,” — VerlindeNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • NASA / WMAP Science TeamNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • NASA / WMAP Science TeamNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Type Ia supernovaNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The music of the spheres http://www.astro.uvic.ca/~alexhp/new/supernova_sonata.htmlNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Baryonic Matter (us)Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Rapidly spinning galaxiesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Seeing the invisibleNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Dark energyNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the knownNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • AstronomyNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • NeutrinosNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • Neutrinos • Cosmic raysNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • Neutrinos • Cosmic rays • Gravity wavesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • Neutrinos • Cosmic rays • Gravity waves • WimpsNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • CERN/LHC • Neutrinos • Cosmic rays • Gravity waves • WimpsNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • CERN/LHC • Neutrinos • Higgs Boson • Cosmic rays • Gravity waves • WimpsNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • CERN/LHC • Neutrinos • Higgs Boson • Cosmic rays • Wimps • Gravity waves • WimpsNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • CERN/LHC • Neutrinos • Higgs Boson • Cosmic rays • Wimps • Gravity waves • Strings • WimpsNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • The edge of the known • Astronomy • CERN/LHC • Neutrinos • Higgs Boson • Cosmic rays • Wimps • Gravity waves • Strings • Wimps • Baby Black HolesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Neutrinos NeutronNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Neutrinos Neutron Neutron DecayNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Neutrinos Neutron Sudbery Neutron Decay Neutrino DetectorNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Cosmic RaysNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Cosmic RaysNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Gravity WavesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Gravity WavesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Gravity Waves Binary pulsarNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Gravity WavesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • WimpsNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • CERNNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • CERNNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • CERNNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Higgs BosonsNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • String theory & Calabi-Yau spacesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Research is the process of going up alleys to see if they are blindNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Research is the process of going up alleys to see if they are blind • Quark gluon plasmasNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Research is the process of going up alleys to see if they are blind • Quark gluon plasmas • Cyclic universesNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Research is the process of going up alleys to see if they are blind • Quark gluon plasmas • Cyclic universes • InflationNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Research is the process of going up alleys to see if they are blind • Quark gluon plasmas • Cyclic universes • Inflation • Curious abundance of anti- matterNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Research is the process of going up alleys to see if they are blind • Quark gluon plasmas • Cyclic universes • Inflation • Curious abundance of anti- matter •…Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • May 27th, 2011 Daily GalaxyNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • May 27th, 2011 Daily GalaxyNot your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • Since Jan 2010 • Gravity may be an entropic force • Universe is definitely 95% mysterious • Neutrino, Cosmic ray, Wimp, & gravitational telescopes online or in development • LHC online & looking for Higgs boson, Calabi-Yau dimensions, ...Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011
    • • Susskind: Cosmic Landscape, black hole war • Halpern: Collider; Lincoln: large hadron collider • Ananthaswamy: edge of physics • Panek: 4% universe; Hammond: Unknown Universe • Greene, Hawking, Smolin, Yau, Steinhardt & Turok, Wilczek,…Not your grandfather’s gravity www.timeandquantummechanics.comTuesday, May 31, 2011