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Gregory Mendell, LIGO Hanford Observatory, on behalf of the LIGO Scientific Collaboration

LIGO-G060233-00-W. Einstein. Einstein, age 26, working at a Swiss Patent Office, published papers in 1905:Sparked the quantum theory of lightShowed that atoms were realIntroduced a theory of space and time, called Special RelativityDiscovered E=mc2.Einstein worked 10 years to generalize Special Relativity and Newton's Theory of Gravity, resulting in General Relativity. Others contributed: Lorentz, Poincar

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Gregory Mendell, LIGO Hanford Observatory, on behalf of the LIGO Scientific Collaboration

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    1. LIGO-G060233-00-W Gregory Mendell, LIGO Hanford Observatory, on behalf of the LIGO Scientific Collaboration

    2. LIGO-G060233-00-W Einstein

    3. LIGO-G060233-00-W The faster you go the slower time goes. Nothing can go faster than light. Gravity disappears when you free fall. Sources of gravity warp space and time; gravity slows down time. Black holes really are like holes in space. Worm holes through space and time could exist within our universe or to other universes. Gravitational waves are ripples in the fabric of spacetime. LIGO is searching for these waves, with black holes as one possible source.

    4. LIGO-G060233-00-W Einstein Wondered:

    5. LIGO-G060233-00-W Galileo & Newton: motion is relative; speeds are additive. Newton thought light was made of particles. Sound is a wave moving through the air or some material. The speed of sound (741 mph) is fixed to the rest frame of the air. We can catch sound. By analogy, in 1905 light was thought to be a wave moving through the “aether”. Experiments could not measure the aether or detect changes in the speed of light due to relative motion. Einstein: we cannot catch light; no experiment can detect absolute motion; there is no aether; the speed of light is the same for all observers.

    6. LIGO-G060233-00-W Time Dilation

    7. LIGO-G060233-00-W The Speed of Light c = 186,000 miles/s = 670,000,000 miles/hr

    8. LIGO-G060233-00-W Length Contraction

    9. LIGO-G060233-00-W The Twin Paradox

    10. LIGO-G060233-00-W The Problem With Gravity

    11. LIGO-G060233-00-W Einstein’s Happiest Thought: Gravity Disappears When You Free Fall

    12. LIGO-G060233-00-W A new wrinkle on gravity: General Relativity arrives in 1915. Not only the path of matter, but even the path of light is affected by gravity from massive objects. Gravity is the curvature of space and time!

    13. LIGO-G060233-00-W Black Holes

    14. LIGO-G060233-00-W Schwarzschild Black Hole

    15. LIGO-G060233-00-W Gravitational Time Dilation

    16. LIGO-G060233-00-W Relativity and GPS

    17. LIGO-G060233-00-W Black Hole Embedding Diagrams

    18. LIGO-G060233-00-W Worm Holes Time Travel & All That

    19. LIGO-G060233-00-W Stellar Collapse To Form A Black Hole

    20. LIGO-G060233-00-W Black Holes And LIGO

    21. LIGO-G060233-00-W The End

    22. LIGO-G060233-00-W Penrose Diagrams & Black Holes

    23. LIGO-G060233-00-W Equivalence Principle: Objects fall with the same acceleration in a gravitational field. There is an equivalence between gravity and acceleration.

    24. LIGO-G060233-00-W Tests Of General Relativity

    25. LIGO-G060233-00-W Penrose Diagrams & Spacetime

    26. LIGO-G060233-00-W Further Reading

    27. LIGO-G060233-00-W LIGO & Gravitational Waves Gravitational waves carry information about the spacetime around black holes & other sources.

    28. LIGO-G060233-00-W The Pythagorean Theorem Of Spacetime

    29. LIGO-G060233-00-W E=mc2

    30. LIGO-G060233-00-W Pythagorean Theorem and Einstein’s General Theory of Relativity

    31. LIGO-G060233-00-W Black Hole Formation: Supernovae

    32. LIGO-G060233-00-W Black Holes & Accretion Disks

    33. LIGO-G060233-00-W Black Hole Detection

    34. LIGO-G060233-00-W Black Hole Detection

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