This book is for every age, anyone who can read and who is interested in what time is, will be the main audience. It explains why people think time is relative, what is time, and gives the audience examples of different devices to "measure" time, also it explains why time travel is not possible.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.