Bøger af Robert Ehrlich

David Lasocki and Robert Ehrlich trace the history of the recorder from the fourteenth century to the present day. From minstrelsy to Baroque masterpieces, from Renaissance court splendor to Nazi propaganda, this fascinating account shows how present and significant the recorder has been throughout seven centuries of Western art music.

AIDS is not caused by HIV. Coal and oil are not fossil fuels. Radiation exposure is good for you. Distributing more guns reduces crime. These ideas make headlines, but most educated people scoff at them. This title evaluates, for the general reader or student, nine seemingly far-out propositions culled from physics, biology, and social science.

This work provides an organized collection of views on nuclear war education, a topic of great current concern. It grew out of the 1986 Conference on Nuclear War Education sponsored by George Mason University. Through this diverse collection of essays, the editor has tried to elucidate the important themes which underlie this curriculum.

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Amazing answers to quirky questions about our world. What if the earth stopped spinning? What if we were the size of insects? What if we could see sounds? What if the moon fell down? What if aliens landed who only wanted to talk to dogs? Bizarre and fantastic questions like these are the popular terrain of Robert Ehrlich.

Evaluates the evidence for the sort of strange-sounding ideas that can shape our lives. This book takes up issues such as global warming, the dangers of cholesterol, and the effectiveness of placebos. It shows readers how to use the tools of science to judge the accuracy of strange ideas and the trustworthiness of ubiquitous "experts."

Includes a collection of physics demonstrations, which illustrate key concepts in simple and playful ways. This book is suitable for a wide range of educational levels, from middle school physical science to university physics.

Physics has the reputation of being difficult to understand and remote from everyday life. This book presents a collection of physics demonstrations and experiments that prove that physics can, in fact, be 'made simple.' It uses 'low tech' and inexpensive materials from everyday life to make key principles of physics easy to understand.