Surveys the history of wind power and windmills, outlines the science that makes them work, and provides instructions for increasingly difficult projects that demonstrate each principle.
Surveys the history of wind power and windmills, outlines the science that makes them work, and provides instructions for increasingly difficult projects that demonstrate each principle.
Featuring six real x-rays printed on mylar, Jessica's X-Ray is a unique and fun look inside our bodies and the world of x-rays. Written by a professional x-ray technologist who has worked extensively
Featuring six real x-rays printed on mylar, Jessica's X-Ray is a unique and fun look inside our bodies and the world of x-rays. Written by a professional x-ray technologist who has worked extensively
Tex is an English foxhound. His best human friend, now, is an Anishnaby woman. She calls Tex her Animoosh, her dog. Tex the English foxhound Animoosh, loves Ikwe. Ikwe loves Tex. When they met for
A fact-filled, browser's guide for birding enthusiasts answers 450 questions about the world of birds, covering such topics as physical characteristics, evolutionary history, migration, mating and nes
Water is our most vital resource. Yet few understand even the basics of watershed ecologyWatersheds: A Practical Handbook for Healthy Water provides a fascinating overview of the fundamentals of ecol
