"A drop of knowledge" is a fascinating book from the famous author Russell Robert Winterbotham. In this book, the author examines the topic of the development of technology and science through the prism of history. From early discoveries to modern achievements, the book provides the reader with a unique overview of interesting facts and information. With an accessible style and an interesting approach to the subject, "Knowledge Droplet" will be an exciting source of information for anyone interested in science and technology.