Caution This book contains surprises. One-Hour Physics is a series of abundantly illustrated books combining the beauty of nature with the science behind it. On 39 pages each book provides condensed and often surprising facts on an everyday topic. One-Hour Physics is suitable for every audience. The author, a physics doctor, has been working as a nuclear scientist and systems engineer in the US and Germany. This book of the series addresses water. Water, the source of life is one of the most outstanding substances in the universe. Take a look inside and learn: Does warm or cold water freeze faster? Why do we have low and high tide?Who can really walk on water? At what temperature freezes pure water? One-Hour Physics. 39 pages of knowledge.