Today, swimming is a competitive sport enjoyed by people around the world. Find out how swimmers use new technologies to achieve faster times. There are high-tech body suits to overcome drag as swimmers glide through the water. Energy gels and sports drinks help fuel swimmers' bodies. Scientists and coaches also study technique using video cameras and wind tunnels to help them swim faster.
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.