This book is the revised 1941 mid-century guide on the basic principles of Shop from the prestigious Henry Ford Trade School, first published in 1934. The book was used by students attending Shop Theory classes and focusses on the historical development, principles of construction, and use, care, and operation of hand tools, precision tools, and the usual toolroom machines and equipment. The lesson sheet method of instruction, supplemented by lecture and discussion, is used. This compilation of the sheets, which was revised and brought up to date, should prove valuable as a reference for students and shop instructors.
Consciousness is a clever adaptation for life as a social ape. But like all adaptations, it has its limits. Lion claws and butterfly wings are made of tissue and proteins that require proper diet and maintenance to keep their integrity. Likewise, a fully functioning conscious system is a phenomenon that requires a well-nourished neural substrate to keep it going. It is important to point out that a healthy brain is necessary but not sufficient for consciousness, because not all of the brain is conscious. There are great swaths of brain that are crucially important for maintaining the vegetative functions of homeostasis such as breathing, heartbeat, temperature, and sleep. With a hundred billion neurons and a hundred trillion synapses, the brain is the most complex adaptation known. Yet we know shockingly little about how it enables the human mind to become conscious, make decisions, believe in God, and behave morally. However, recent discoveries in cognitive neuroscience, behavioral genetics, and evolutionary psychology are beginning to revolutionize old conceptions of nature and nurture, reason and passion, and automatic versus willfully chosen actions. Root of Thought will take readers on a remarkable journey through the landscape of the mind in search of its biological basis.
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