Big Picture and Principles of the Small WorldUnderstanding the Atom: Ex Nihilo Nihil Fit Nanotechnology Starts with a Dare: Feynman's Big Little Challenges Why One-Billionth of a Meter Is a Big Deal Thinking It Through: The Broad Implications of Nanotechnology Gray Goo Environmental Impact: Risks to Ecosystems and Human Health The Written Word The Bus iness of Nanotech: Plenty of Room at the Bottom Line Too Products Homework Exercises References Recommendations for Further Reading Introduction to Miniaturization Background: The Smaller, the Better Scaling Laws The Elephant and the Flea Scaling.