Fundamental and applied concepts concerning the ability of light beams to carry a certain mechanical angular momentum (AM) with respect to the propagation axis are reviewed and discussed in this book.
This is the story of how, over 20 years, one person turned a litany of continuing mistakes and seemingly wrong turns into a happy, fulfilled life and a thriving publishing business that defies all odds.With a foreword by Sander Hicks, ...
An exciting interactive title chock-full of colorful toucans, jaguars, jumping tree frogs, and swinging monkeys, brings National Geographic Kids signature content to a sticker and activity book format.