just six numbers

Just Six Numbers Quotes Showing 1-7 of 7 “Our universe, extending immensely far beyond our present horizon, may itself be just one member of a possibly infinite ensemble. 4 0 obj v�$�>$\}�5��5I�0�y^y�&!��n�>�e��e��EΕ��G��x�U}U��5Qb@�X�շz�5:�6X� ��{JW���5 �H��1�>d��r���+ �ݽQƫR+:3�s�8"@@桸�Vr�(�� Y�6-9W@�0�z�-��"�Zr�@�L�X�_) %PDF-1.5 His theme is that these numbers are fine-tuned: if at an early instant of the universe the value of one of these numbers had been It would seem that in order for you and me to exist, so must the rest of the universe as it is today. endobj 'Just Six Numbers' is a book with a fascinating premise, but one that I feel is lacking in execution. Just six numbers, imprinted in the "big bang," determine the essential features of our entire physical world. endobj Just six weeks ago, India's Health Minister declared that the country was "in the endgame" of the Covid-19 pandemic. One is the number of dimensions we live in: three. Explore the mathematical study of symmetry with this collection of content, which includes short introductions, in-depth articles, a podcast, and some magic! Moreover, cosmic evolution is astonishingly sensitive to the values of these numbers. In Just Six Numbers, Sir Martin Rees discusses how his six titular numbers shape the universe. Moreover, cosmic evolution is astonishingly sensitive to the values of these numbers. This ‘multiverse’ concept, though speculative, is a natural extension of current cosmological theories, which gain credence because they account for things that we do observe. If their values were only fractionally different, we would not exist; nor, in many cases, would matter … Just six numbers, imprinted in the big bang, determine the essence of our world, and this book devotes one chapter to explaining each. If any of them were changed ever so slightly, the character of our universe would change Author: Martin J. Rees Binding: Paperback If any one of them were "untuned," there could be no stars and no life. The rest are, at least at first sight, more obscure. <> If any one of them were "untuned He has succeeded in describing the key ideas in cosmology, as we understand it today, without using the equations and formulae that prevent the non-specialist from understanding the And can testing make things better? ;�,�A�]�0iAȹ�� ���.��d�Q�8�&>�(�\ezx��ٹ���ه�} ��D�j �$�v���w�?�� ��ݠ���8ry�_,��K0�(�M���&��d� �8�^G,��pg��G��. <> <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.44 842.04] /Contents 4 0 R/Group<>/Tabs/S>> 媒体评论：Just six numbers govern the shape, size and texture of our universe. He makes an excellent case for the necessity of these numbers, though he does not show that they are the only numbers we need. If their values were only fractionally different, we would not exist nor, in many cases, would … stream Rees is an atheist professor of astrophysics at Cambridge, whose book Just Six Numbers provides an accessible overview of six fundamental numbers that determine the structure of our universe. �f���ϖ��2E�����1=���%;��` ��_���wE���Ջ��,�]a9��`��?�E�`��r�D���[�mӊ��Q�b@X�WߪYȻ�r�� �Y�`�\I�}�4�k �(�]� ����j��\#�G���.�(���+ٵ� ��۬���k��@��~3�ߏ�]a9�a��S&;׮�w �_}U��5Qb@X��S{�Xb@X���&9Wl�x�տTػ&�A���v����k,1 ����{ڔ ��/'�AH��V_�wm�� ��_};u��w�� ��N�= %���� Just six numbers, however, is an understatement. For the record, they are N, the ratio of the strength of gravity to that of electromagnetism; (epsilon), the ratio of mass lost to energy when hydrogen is fused to form helium; (Omega), describing the amount of dark matter; (lambda), the cosmological constant; and Q, related to the scale at which the universe looks smooth. 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