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Basic Concepts of Measurement
The nature of measurement is a topic of central concern in the philosophy of science and, indeed, measurement is the essential link between science and mathematics. Professor Ellis's book, originally published in 1966, is the first general exposition of the philosophical and logical principles involved in measurement since N. R. Campbell's Principles of Measurement and Calculation (1928), and P. W. Bridgman's Dimensional Analysis (1931). Professor Ellis writes from an empiricist standpoint. His object is to distinguish and define the basic concepts in measurement, for example: scale, quantity, unit. dimension, number and probability. He discusses the problem of classifying scales of measurement and the special logical problems associated with each kind of scale. A translation of mach's Critique on the Concept of Temperature, which gives his views on the nature of measurement more fully than in any of his other works, is given as an appendix.
Dendrome
News and information about genome research in forest trees for forest biologists and forest managers.
Scientific Essentialism
Examines the laws of nature.
Genetically Modified Diplomacy
When genetically engineered seeds were first deployed in the Americas in the mid-1990s, the biotechnology industry and its partners envisaged a world in which their crops would be widely accepted as the food of the future. Critics, however, raised a variety of social, environmental, economic, and health concerns. This book traces the emergence of the 2000 Cartagena Protocol on Biosafety � and the discourse of precaution toward GEOs that the protocol institutionalized internationally. Peter Andr�e explains this reversal in the "common-sense" understanding of genetic engineering, and discusses the new debates it has engendered.
The Encyclopedia of Psychoactive Plants
The most comprehensive guide to the botany, history, distribution, and cultivation of all known psychoactive plants • Examines 414 psychoactive plants and related substances • Explores how using psychoactive plants in a culturally sanctioned context can produce important insights into the nature of reality • Contains 797 color photographs and 645 black-and-white illustrations In the traditions of every culture, plants have been highly valued for their nourishing, healing, and transformative properties. The most powerful plants--those known to transport the human mind into other dimensions of consciousness--have traditionally been regarded as sacred. In The Encyclopedia of Psychoactive ...
