As you know, you can look at the flame of a burning candle endlessly. However, what are the physical phenomena and laws of nature behind the beauty of the quivering tongue of blue-gold flame? and related processes, read by Michael Faraday as part of an educational program for the youth of the Royal Institute of London, was written down by one of his students - William Crookes (later a famous physicist and chemist). On the basis of notes during Faraday's lifetime, these lectures were published as a separate book with illustrations and comments by Crooks. and adult readers.Editorial design preserved in PDF A4.