Voda v pohybu - úžas v nás. Pozorování a pokusy – group of authors (2018)

Flowing water and the various phenomena that occur on the surface and beneath it may seem ordinary and well-known. We can observe them every day without finding anything extraordinary about them. But what happens to the current when the riverbed is narrower in some places than in others? Why do eddies form in the river near a bridge pillar? And what do different eddies look like and how do they form? What are meanders, how do they form and change? Why do strange patterns appear on the sandy bottom near the shore, and how does the flow of water affect their shape? How does water move in waves, and why can we see an object on a wavy surface that the waves do not carry away? What happens to a water droplet when it hits the surface and when it lands on a dry surface? Answers to these and other questions are presented in this book in an understandable way by experts in the field of water and flow. Through many detailed experiments that we can conduct ourselves with simple tools, we learn to understand the principles that lie behind them. Additional images, photographs, and comments vividly illustrate and explain various phenomena related to water. This book can become a good helper not only for educators and parents but for anyone who wants to revive their curiosity about...