This book takes readers on a journey through the world of the unseen. It explores the hidden realms of the natural world, from the microscopic to the cosmic, and examines the ways in which the invisible can shape our lives. It looks at
From Wikipedia
W is the twenty-third letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. Its name in English is double-u, plural double-ues.