by Roger Penrose · DEBOLSILLO · libro de bolsillo · ISBN 9788499891996
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«Ciclos del tiempo» is Roger Penrose's popular science essay, published by Debolsillo in paperback (304 pages, in Spanish).
Penrose proposes a cyclic universe: the Big Bang may have closed a previous eon, and our universe would give way to another. The thesis rests on the second law of thermodynamics, entropy, the geometry of light cones, and cosmic microwave radiation; it also analyses black holes and their Hawking evaporation.
It belongs to the Essay | Science collection; it is the second edition, published on 6 October 2011, with a translation by Javier García Sanz.
For readers seeking demanding popular science and wanting to learn about an ambitious cosmological proposal on the origin and fate of the universe.
Sir Roger Penrose is an English mathematician, mathematical physicist, and philosopher of science. He is Emeritus Rouse Ball Professor of Mathematics at the University of Oxford, an emeritus fellow of Wadham College, Oxford, and an honorary fellow of St John's College, Cambridge, and University College London. He shared the 1988 Wolf Prize in Physics with Stephen Hawking for the Penrose–Hawking singularity theorems, and the 2020 Nobel Prize in Physics "for the discovery that black hole formation is a robust prediction of the general theory of relativity". He proposed the Penrose triangle and corresponded with M. C. Escher, influencing his Waterfall and Ascending and Descending. Penrose's eponymous aperiodic tiling presaged the discovery of quasicrystals by Dan Shechtman.
