TY - BOOK AU - Reader's Digest TI - Reader's Digest How Is It Done ? U1 - 600 PY - 1990/// CY - New York, United States PB - Reader's Digest KW - Non Fiction N2 - An informative look at the ingenuity of man. Find out how holograms gives a three-dimensional picture, how nature photographers take their seemingly impossible pictures or what advances have been made in cloning. Discover how genetic finger-printing works or how astronauts dispose of bodily wastes ER -