★★★★★ 5
Kids really enjoy this book
Format: Paperback
Good book. The kids really liked it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 13, 2025
T2.5 200mm Timing Belt (4mm width)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
T2.5 200mm Timing Belt (4mm width)These timing belts are incredibly durable and are manufactured in a unique thermoset moulding process. Being made from High grade Polyurethane affords abrasion and shear resistance These belts are suitable for precision high power applications whilst also being able to with stand high speeds
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4.5 ★★★★★
Based on 2439 reviews
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Product Reviews
★★★★★ 5
Wonderful. This is the book on time I've been looking for.
Format: Kindle
This is the book about time that I wanted. Beautifuly done. Thank you.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2025
★★★★★ 3
Not so great unless you are willing to accept a certain amount on faith.
Format: Paperback
Similar criticism to my review of the Black Holes book: "Starts off ok, but quickly loses you. I have an extensive science education and quickly got lost. This topic cannot be easily explained in a brief book - the author is forced to jump over certain building blocks, and that just leaves the reader confused. I think this book series is good, but maybe not for abstract science topics."
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
★★★★★ 5
A fun read. Learned a lot.
Format: Kindle
I never expected to be able to understand Relativity or the more ethereal concepts of time. But Jenann brought them to my level. The language gets a bit flowery at times but I think that reflects that these ideas have a poetry of their own.
RL
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 10, 2023
★★★★★ 5
Clear, Concise, and Compelling
Format: Kindle
The author takes us in an extraordinary trip through and about time. In particular, the discussion about Einstein’s Special and General Theories of Relativity were illuminating, clarifying a complex aspect of the nature of the universe. How should we think about time? This book will help the reader arrive at answers to that question.
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Reviewed in the United States on November 30, 2021
