Roger Penrose, “The Cyclic Universe” (Open Agenda, 2021)
New Books in Science, Technology, and Society
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Is Inflation a Problem?
One of the puzzles, they say, is this uniformity of the universe. Why is it so uniform? And another puzzle is, why is the micro wave background so uniform? In temperature, you see the temperature ofeer is very much the same as the temperature way over there. Now, this is a technical point, but yet, those two points, right back to the big band, were never in causal contact. So horly, vno to how could it havevesomalized a become uniformed ra tow to me? Explanation, according to inflation, is that, first of all, this big expansion smoothed everything out. It might have been irregular at the beginning,
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