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Robert F. Kennedy's Day of Affirmation Address (also known as the "Ripple of Hope" Speech [1]) is a speech given to National Union of South African Students members at the University of Cape Town, South Africa, on June 6, 1966, on the University's "Day of Reaffirmation of Academic and Human Freedom".
Slow motion computer simulation of the black hole binary system GW150914 as seen by a nearby observer, during 0.33 s of its final inspiral, merge, and ringdown.The star field behind the black holes is being heavily distorted and appears to rotate and move, due to extreme gravitational lensing, as spacetime itself is distorted and dragged around by the rotating black holes.
Einstein predicted that when really heavy objects move through spacetime — the. Scientists have observed for the first time the faint ripples caused by the motion of black holes that are gently ...
[12] [13] The waves given off by the cataclysmic merger of GW150914 reached Earth as a ripple in spacetime that changed the length of a 1,120 km LIGO effective span by a thousandth of the width of a proton, [11] proportionally equivalent to changing the distance to the nearest star outside the Solar System by one hair's width.
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Eternal return (or eternal recurrence) is a philosophical concept which states that time repeats itself in an infinite loop, and that exactly the same events will continue to occur in exactly the same way, over and over again, for eternity.
The Fabric of the Cosmos: Space, Time, and the Texture of Reality (2004) [1] is the second book on theoretical physics, cosmology, and string theory written by Brian Greene, professor and co-director of Columbia's Institute for Strings, Cosmology, and Astroparticle Physics (ISCAP).
Einstein stated that in general relativity the "aether" is not absolute anymore, as the geodesic and therefore the structure of spacetime depends on the presence of matter. [14] To deny the ether is ultimately to assume that empty space has no physical qualities whatever. The fundamental facts of mechanics do not harmonize with this view.