Overview

A fresh look at electricity and its powerful role in life on Earth When we think of electricity, we likely imagine the energy humming inside our home appliances or lighting up our electronic devices--or perhaps we envision the lightning-streaked clouds of a stormy sky. But electricity is more than an external source of power, heat, or illumination. Life at its essence is nothing if not electrical. The story of how we came to understand electricity's essential role in all life is rooted in our observations of its influences on the body--influences governed by the body's central nervous system. Spark explains the science of electricity from this fresh, biological perspective. Through vivid tales of scientists and individuals--from Benjamin Franklin to Elon Musk--Timothy Jorgensen shows how our views of electricity and the nervous system evolved in tandem, and how progress in one area enabled advancements in the other. He explains how these developments have allowed us to understand--and replicate--the ways electricity enables the body's essential functions of sight, hearing, touch, and movement itself.

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Timothy J. Jorgensen is professor of radiation medicine and biochemistry, and director of the Health Physics and Radiation Protection Graduate Program, at Georgetown University in Washington DC. His scientific expertise is in radiation biology, cancer epidemiology, and public health. He served on the National Council on Radiation Protection (NCRP) and he chairs the Georgetown University Radiation Safety Committee. Gary Tiedemann is a Florida and New York-based narrator, but learned how to act in Chicago's improv, sketch-comedy, and theater scene. He came to audiobook narration after voicing countless commercials and videos over a twenty-year voice-over career. Gary has also appeared in hundreds of improv and sketch performances at Chicago's Annoyance Theatre, iO, The Second City, and in dozens of theater roles as a cofounder of The New Colony Theatre. When Gary is not in a booth, he is probably outside wondering if there is time to go camping.

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