Download or read book Travels in Four Dimensions written by Robin Le Poidevin and published by Oxford University Press, USA. This book was released on 2003 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Does time really flow, or is that simply an illusion? Did time have a beginning? What does it mean to say that time has a direction? Do space and time really exist, or are they simply the constructions of our minds? Robin Le Poidevin provides a clear, witty, and stimulating introduction to these deep questions, and many other mind-boggling puzzles and paradoxes. No prior knowledge of philosophy is required to enjoy this book. The universe might seem very different after reading it.