Knowledge Matrix on Instagram: "A dam sluice gate releases high-pressure water at full force, creating a powerful sheet-like outflow. The person standing nearby highlights the immense speed and volume of water, which can be extremely dangerous due to its force and current. Such gates are opened to regulate reservoir levels, manage flood control, or supply water to irrigation canals and turbines in hydroelectric systems. Standing close to an open sluice gate is highly risky and should always be a

Thetrandlab48 on Instagram: "The post features a 22-second video of a DIY micro-hydroelectric setup, where a halved plastic drum serves as a water wheel in a stream, driving a generator via chain to illuminate an LED bulb, emphasizing low-cost renewable energy for off-grid use. This demonstrates fundamental hydroelectric principles, akin to the 1880s Pelton wheel turbine, but scaled down for personal applications; replies highlight its familiarity, with sarcasm noting it's rediscovered basic phy