Spacetime Quotes
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In the 1920s the young English physicist Paul Dirac began trying to understand and describe the space-time evolution of the electron, the first elementary particle discovered by J.J. Thomson in 1897. Dirac was puzzled by an unprecedented property of space-time, discovered by Lorentz in his studies of electromagnetic forces, whereby if space was real, time had to be imaginary, and vice versa. In other words, space and time had to be a ‘complex’ mixture of two quantities, one real and the other imaginary.
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Gravitational waves will bring us exquisitely accurate maps of black holes - maps of their space-time. Those maps will make it crystal clear whether or not what were dealing with are black holes as described by general relativity.
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Charles Lutwidge Dodgson's life in space-time colored his liberated life of the imagination.
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It generates a gravitational disturbance that makes our spacetime emit a brane into the higher dimensions of the bulk. It bounces off the Planck brane and collides with ours again.
