Tag: Roland Penrose
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A few notes before the Big Bang
Neil Turok We came for something, something violent, something extraordinary. Two possibilities: 1. Time non exist in the beginning. 2. 10 spatial dimensions + time (BRANE) We have to be almost two branes. When they collide, remained extended. Plasma and matter. All is measured. Sitter spacetime scale factor and the gravitational wave perturbations a scale-invariant spectrum (|vk/a|2 […]
Lluís Bussé 