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The Chemical History of a Candle (Michael Faraday)
Product Description The greatest experimental scientist Michael Faraday delivered these six lectures at London's Royal Institution. Their subjects include the components, function, and weight of the atmosphere; capillary attraction; the carbon content in oxygen and living bodies; respiration and its analogy to the burning of a candle; and much more. Numerous illustrations. --This text refers to the Paperback edition. Download Description You see, then, in the first instance, that a gorgeous cup is formed. As the air comes to the candle, it moves upward by the force of the current which the heat of the candle produces, and it so cools all the sides of the wax, tallow, or fuel as to keep the edge much cooler than the part within; the part within melts by the flame that runs down the wick as far as it can go before it is extinguished, but the part on the outside does not melt. Reader Reviews This review is from: The Chemical History of a Candle (Paperback) Michael Faraday was one of the most brilliant scientists in history, yet was largely self-taught. He was a modest and upright Christian, who, while he had no children of his own, particularly enjoyed lecturing to children. Many of these lectures were done at the holidays and became known as the "Christmas Lectures." The Christmas Lectures are still put on by the Royal Institution, and are now televised, by the way. This book is an introductory treatise on the combustion of candles. If this doesn't sound interesting, think again. The book is actually a collection of transcripts of lectures given, and includes Faraday's diagrams on the experiments performed onstage. These were quite spectacular for the day, and all evidence points to him being an excellent and absorbing speaker capable of motivating people towards an interest in science. These lectures are great as they illustrate many basic chemical and physical processes and the common sense approach Faraday used to reason through difficult problems. As a prime example, please review the excellent discourse on nitrogen in lecture five. Of course, given the audience these lectures were intended for, this isn't a mathematically or stoichiometry based book (largely, anyway), but is great at capturing the essence of the chemistry and physics of combustion. Some readers will be aghast at the cavalier way he treats some things (notably mercury vapor,) but much more is known now about these hazards. One thing I really liked about the book, though some may not, is his insightful and colorful use of language: for instance, he describes capillary attraction as "the attraction of the hairs," and perhaps most colorfully, describes lycopodium as "the lightning of the pantomimes." (I have to admit that I had to look lycopodium up: it is, in fact, "any of a large genus [Lycopodium] of erect or creeping club mosses with reduced or scalelike evergreen leaves," or, "a fine yellowish flammable powder composed of lycopodium spores and used especially in pharmacy" according to my Merriam-Webster dictionary.) This language is lyrical and evocative, and I think makes the book more enjoyable, though occasionally challenging. For an interesting introduction to the science of combustion, "The Chemical History of a Candle" is still the outstanding classic of the centuries, and I recommend it highly. Comment | | (Report this)
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