Harvard physicists (and all other relativists) confuse relative speed with proper speed. Here is the explanation: Proper speed (author's term/definition) is the distance a uniformly-moving object or... This description may be from another edition of this product.
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.