By Herbert W. Meyer
Written for you to be understood by way of the non-technical reader who's occupied with the foundation of the entire electric and electromagnetic units that encompass him, this historical past additionally presents a handy compendium of data for these conversant in and magnetic fields. The publication strikes alongside at a speedy velocity, because it needs to whether it is to hide the large proliferation of advancements that experience happened over the last hundred years or so. the writer has struck a conceivable stability among the human part of his tale, introducing these biographical information that aid enhance it, and its technical part, explaining theories and "how issues paintings" the place this turns out applicable. He additionally achieves a stability in recounting the invention of easy medical ideas and their technological applications—the myriad of units and innovations that make the most of power and knowledge in electromagnetic shape. certainly, one of many vital issues of the ebook is the shut and reciprocal courting among technology and expertise, among conception and perform. earlier than nearly 1840, the in basic terms clinical investigations of electric and magnetic phenomena have been mostly advert hoc and observational, and basically no expertise in line with them existed. Afterwards, the medical explorations turned extra programmatic and mathematical, and technical purposes and innovations started to be produced in nice abundance. In go back, this know-how paid its debt to natural technological know-how by means of offering it with a chain of measuring tools and different learn units that allowed it to develop in parallel. even though this booklet experiences the early discoveries, from the magnetic lodestone and electrostatic amber of antiquity to Galvani's frog's legs and Franklin's kite-and-key of the 1700s, its significant emphasis is at the post-1840 advancements, because the following bankruptcy titles will ascertain: Early Discoveries—Electrical Machines and Experiments with Static Electricity—Voltaic electrical energy, Electrochemistry, Electromagnetism, Galvanometers, Ampere, Biot and Savart, Ohm—Faraday and Henry—Direct present Dynamos and Motors—Improvements in Batteries, Electrostatic Machines, and different Older Devices—Electrical tools, legislation, and Definitions of Units—The electrical Telegraph—The Atlantic Cable—The Telephone—Electric Lighting—Alternating Currents—Electric Traction—Electromagnetic Waves, Radio, Facsimile, and Television—Microwaves, Radar, Radio Relay, Coaxial Cable, Computers—Plasmas, Masers, Lasers, gas Cells, Piezoelectric Crystals, Transistors—X-Rays, Radioactivity, Photoelectric impact, constitution of the Atom, Spectra.
Read Online or Download A History of Electricity and Magnetism PDF
Best electricity books
During this publication Ian Sinclair presents the sensible knowhow required by means of technician engineers, platforms designers and scholars. the point of interest is firmly on realizing the applied sciences and their diverse purposes, no longer a mathematical strategy. the result's a hugely readable textual content which supplies a different advent to the choice and alertness of sensors, transducers and switches, and a grounding within the practicalities of designing with those units.
Spark from the Deep tells the tale of ways humans got here to appreciate and use electrical energy by way of learning the developed mechanisms of strongly electrical fish. those animals be capable of surprise capability prey or would-be predators with high-powered electric discharges.
William J. Turkel asks thoroughly clean questions on the evolutionary, environmental, and ancient elements of people’s curiosity in electrical fish. motivated through painful encounters with electrical catfish, torpedos, and electrical eels, humans realized to harness the ability of electrical surprise for scientific cures and at last constructed applied sciences to shop, transmit, and keep watch over electrical energy. Now we glance to those fish as an notion for engineering new sensors, desktop interfaces, self sufficient undersea robots, and energy-efficient batteries.
Mathematical concept of Dispersion-Managed Optical Solitons discusses contemporary advances overlaying optical solitons, soliton perturbation, optical cross-talk, Gabitov-Turitsyn Equations, quasi-linear pulses, and better order Gabitov-Turitsyn Equations. targeting a mathematical viewpoint, the ebook bridges the space among techniques in engineering and arithmetic, and offers an outlook to many new subject matters for extra study.
The aim of this ebook is to check the present nation of this speedy constructing box. Up previously, there was no concise evaluation to be had of the relatively assorted elements of this box. This publication supplies a simple advent to the options at the back of Bloch oscillations. It describes how the physics of excessive box shipping has been investigated via a wide variety of experimental concepts corresponding to interband and intraband optical spectroscopy and delivery experiments.
- 54.Semiconductor Manufacturing
- Compound Semiconductors Semiconductor Properties of Superionic Materials
- Magnetohydrodynamics: Historical Evolution and Trends
- Electronic Circuits for the Evil Genius 2/E
Additional resources for A History of Electricity and Magnetism
Following the work of Gray and Du Fay on the transmission of electricity, the idea of using electricity for telegraphic purposes occurred to a number of men. Before the discovery of voltaic electricity and electromagnetism the kinds of signais were limited in number. Winckler probably used sparks. Pierre Lemonnier of France discovered that the quantity of electricity communicated to a body is not in proportion to its volume but in proportion to its surface. He also discovered that the shape of a body influenced its ability to receive a charge.
Franklin had a friend at Boston, a Mr. Kinnersley, who was also interested in electricity. They corresponded frequently concerning their experiments. Kinnersley rediscovered Du Fay’s findings concerning two kinds of electricity by the use of two electrical machines, one with a sulfur ball, and the other with a glass globe. Neither of the two men knew of Du Fay’s work. Franklin repeated Kinnersley’s experiment, and observed that the sparks from the glass and sulfur balls were different in appearance.
IMPROVEMENTS IN ELECTRICAL MACHINES In 1746 Dr. Ingenhousz made a glass plate machine, but the same invention has also been attributed to Jesse Ramsden, although this was not until 1768. Benjamin Wilson about 1746 invented a collecter for an electrical machine somewhat resembling a comb. It consisted of a metallic rod with a number of fine points, SO mounted that the points were close to the revolving electrified surface. THE LEYDEN JAR A very important discovery was made on November 4, 1745 by E.