Time Travel
A historical perspective “What is time?” Asks James Gleick, in this history of Time Travel. “We know that it is imperceptible. It is immaterial. We cannot see it, hear it or touch it. Time is what clocks measure. But what is a clock? An instrument for the measurement of time. The snake swallows its tail again!” This is the kind of circular logic that the author tries to break out of in this engaging foray into one of the most mysterious concepts that has intrigued man since the nineteenth century. Scholarly journal papers that announce new breakthroughs invariably begin with a review of past literature. Once in while, the literature review becomes bigger than any new concept that is being announced and in extreme cases, we end up with a what is known as review paper that merely surveys the subject without offering anything new. So is the case with this book. Rather than offering any new insight or even a clear exposition of any specific point of view, the author leads us through ...