This is the first biography of the important but long-forgotten American inventor Charles Francis Jenkins (1867-1934). Historian Donald G. Godfrey documents the life of Jenkins from his childhood in Indiana and early life in the West to his work as a prolific inventor whose productivity was cut short by an early death. Jenkins was an inventor who made a difference.
As one of America's greatest independent inventors, Jenkins's passion was to meet the needs of his day and the future. In 1895 he produced the first film projector able to show a motion picture on a large screen, coincidentally igniting the first film boycott among his Quaker viewers when the film he screened showed a woman's ankle. Jenkins produced the first American television pictures in 1923, and developed the only fully operating broadcast television station in Washington, D.C. transmitting to ham operators from coast to coast as well as programming for his local audience.
Godfrey's biography raises the profile of C. Francis Jenkins from his former place in the footnotes to his rightful position as a true pioneer of today's film and television. Along the way, it provides a window into the earliest days of both motion pictures and television as well as the now-vanished world of the independent inventor.
The condition of modernity springs from that tension between science and the humanities that had its roots in the Enlightenment but reached its full flowering with the rise of twentieth-century technology. It manifests itself most notably in the crisis of individuality that is generated by the nexus of science, literature, and politics, one that challenges each of us to find a way of balancing our personal identities between our public and private selves in an otherwise estranging world. This challenge, which can only be expressed as "the struggle of modernity," perhaps finds no better expression than in C. P. Snow. In his career as novelist, scientist, and civil servant, C. P. Snow (1905-1980) attempted to bridge the disparate worlds of modern science and the humanities.
While Snow is often regarded as a late-Victorian liberal who has little to say about the modernist period in which he lived and wrote, de la Mothe challenges this judgment, reassessing Snow's place in twentieth-century thought. He argues that Snow's life and writings—most notably his Strangers and Brothers sequence of novels and his provocative thesis in The Two Cultures and the Scientific Revolution—reflect a persistent struggle with the nature of modernity. They manifest Snow's belief that science and technology were at the center of modern life.
The demonstrations capture interest, teach, inform, fascinate, amaze, and perhaps, most importantly, involve students in chemistry. Nowhere else will you find books that answer, "How come it happens? . . . Is it safe? . . . What do I do with all the stuff when the demo is over?"
Shakhashiri and his collaborators offer 282 chemical demonstrations arranged in 11 chapters. Each demonstration includes seven sections: a brief summary, a materials list, a step-by-step account of procedures to be used, an explanation of the hazards involved, information on how to store or dispose of the chemicals used, a discussion of the phenomena displayed and principles illustrated by the demonstration, and a list of references.
The demonstrations capture interest, teach, inform, fascinate, amaze, and perhaps, most importantly, involve students in chemistry. Nowhere else will you find books that answer, "How come it happens? . . . Is it safe? . . . What do I do with all the stuff when the demo is over?"
Shakhashiri and his collaborators offer 282 chemical demonstrations arranged in 11 chapters. Each demonstration includes seven sections: a brief summary, a materials list, a step-by-step account of procedures to be used, an explanation of the hazards involved, information on how to store or dispose of the chemicals used, a discussion of the phenomena displayed and principles illustrated by the demonstration, and a list of references.
The demonstrations capture interest, teach, inform, fascinate, amaze, and perhaps, most importantly, involve students in chemistry. Nowhere else will you find books that answer, "How come it happens? . . . Is it safe? . . . What do I do with all the stuff when the demo is over?"
Shakhashiri and his collaborators offer 282 chemical demonstrations arranged in 11 chapters. Each demonstration includes seven sections: a brief summary, a materials list, a step-by-step account of procedures to be used, an explanation of the hazards involved, information on how to store or dispose of the chemicals used, a discussion of the phenomena displayed and principles illustrated by the demonstration, and a list of references. You'll find safety emphasized throughout the book in each demonstration.
The demonstrations capture interest, teach, inform, fascinate, amaze, and perhaps, most importantly, involve students in chemistry. Nowhere else will you find books that answer, "How come it happens? . . . Is it safe? . . . What do I do with all the stuff when the demo is over?"
Shakhashiri and his collaborators offer 282 chemical demonstrations arranged in 11 chapters. Each demonstration includes seven sections: a brief summary, a materials list, a step-by-step account of procedures to be used, an explanation of the hazards involved, information on how to store or dispose of the chemicals used, a discussion of the phenomena displayed and principles illustrated by the demonstration, and a list of references. You'll find safety emphasized throughout the book in each demonstration.
Color and light are the focus of this long-awaited fifth volume in the Chemical Demonstrations series, which describes demonstrations that effectively communicate science to both students and general audiences. Using full color illustrations, the book provides meticulous instructions for safely demonstrating colorful phenomena and illustrating scientific principles. A rich introductory section explores the science of color and light, outlines the chemical processes of vision, and explains what happens when visual information enters the human eye and is perceived by the brain. With more than fifty demonstrations and multiple procedures included, this volume offers abundant opportunities to arouse and sustain interest in science for both classroom and public presentations.
Each demonstration includes:
• a brief description of the demonstration
• a materials list
• a step-by-step account of procedures to be used
• an explanation of the potential hazards involved
• information on safely storing and disposing the chemicals used
• a full discussion of the phenomena displayed and principles illustrated
• a list of references.
Created by acclaimed chemists and science educators Bassam Shakhashiri and his collaborators Rodney Schreiner and Jerry Bell, these demonstrations make an impressive addition to the earlier volumes, which have been lauded for guiding teachers and scientists in effectively communicating science. Like all volumes in the series, Volume 5 communicates chemistry using pedagogical knowledge to enhance the effectiveness of demonstrations to all audiences.
Kimberly A. Scott explores this question and others as she details the National Science Foundation-funded enrichment project COMPUGIRLS. This groundbreaking initiative teaches tech skills to adolescent girls of color but, as importantly, offers a setting that emphasizes empowerment, community advancement, and self-discovery. Scott draws on her experience as an architect of COMPUGIRLS to detail the difficulties of translating participants' lives into a digital context while tracing how the program evolved. The dramatic stories of the participants show them blending newly developed technical and communication skills in ways designed to spark effective action and bring about important change.
A compelling merger of theory and storytelling, COMPUGIRLS provides a much-needed roadmap for understanding how girls of color can find and define their selves in today's digital age.
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