पानी के ऊपर सड़क कैसे बनती है? | Dredger Machine Explained in Hindi | Land Reclamation Technology

Ancient Skies on Instagram: "What you’re looking at is a black hole simulation—a hands-on science exhibit designed to show how gravity works around massive objects in space. By rolling coins down the ramp, you can see them spiral inward, mimicking the way stars, planets, and even light itself bend and fall toward a black hole’s center of gravity. In reality, black holes are some of the most extreme objects in the universe. Their gravitational pull is so strong that nothing—not even light—can esc