![]() Thus the future was known by the past: if you record events during one cycle, you know them for future cycles. ![]() To them, time was repetitive-each cycle simply reproduced earlier cycles. The Mayans thought of Time as a rotating wheel, like a clock, that returns to its original place, thus starting another 260-year cycle. Our understanding of Time is inextricably linked to our culture and to our understanding of the world around us (our science). I also read portions of Brian Greene's excellent new book Until the End of Time just to be sure I got it right. So this review focuses on those questions, which are the subject of the books. But I've traveled that path several times and my interest is in the basic questions that led me to the book: What is Time? Is Time irreversible? What do those questions even mean? For those who want a review of scientific advances from Newton forward, it is an excellent read. The Arrow of Time is a very interesting exposition of the history of science, much of it not relating directly to the notion of the arrow of Time. Naturally, I began thinking about time, not just what to do with it but, more importantly, what is it? This led me to The Arrow of Time: A Voyage Through Science to Solve Time's Greatest Mysteries (1990) by Peter Coveney and Roger Highfield. ![]() ![]() At this moment I, like you, am quarantined in my home and admonished about any outside contact. It's the Spring of 2020, the year of the Coronavirus. ![]()
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