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POPSGeneral Relativity General Relativity, String Theory... Perhaps there is a path for all. Wouldn't it be nice ?
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POPSPhysics of the Impossible 'If this all sounds like pie in the sky, think again. After all, how would physicists 200 years ago have reacted if you'd told them about the internet, the atomic bomb or the moon landings? What would they have made of Einstein's theory of relativity?"
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POPSUsing Causality to Solve the Puzzle of Quantum Spacetime Space time fabric at the tiniest scale is fractal and with variable dimensionality. The interesting thing here is that the very fundamental aspects of reality are described as mathematical entities, and do not possess any intrinsic properties besides causation as an organizing principle. This is where physics and metaphysics meet....
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POPSHungry, hungry black holes The conclusion comes from a large observing campaign of the spiral galaxy M81, which is about 12 million light-years from Earth. In the center of M81 is a black hole that is about 70 million times more massive than the Sun, and generates energy and radiation as it pulls gas in the central region of the galaxy inwards at high speed.
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