Learn how to create a simple water wheel free energy device using basic materials like plastic bottles, spoons, or wood. This diy project harnesses the flow of water to generate small amounts of ...

From stirring milk in your coffee to fearsome typhoon gales, rotating turbulent flows are everywhere. Yet, these spinning currents are as scientifically complex as they are banal. Describing, modeling ...

Find out just how fast this revolutionary design can spin! I measure the maximum rotational speed and explain the physics ...