Follow @physics_unplugged | video description👇 Ever wondered how heat can change the size of solid objects? The Thermal Expansion experiment with a metal ball and ring is a simple yet powerful demonstration of this fundamental physics principle. When the ball is heated, it expands due to increased atomic vibrations, making it too large to pass through the ring. But once it cools down, it shrinks back to its original size, fitting through effortlessly. This phenomenon plays a crucial role in eng
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From a gentle 1 km/s to the unimaginable force of light speed, the results would be cosmic chaos. At 1 km/s, the collision would resemble a cataclysmic asteroid impact-devastating, but Earth might survive. Increase that to 10 km/s, and you’re looking at continent-level annihilation. At orbital speeds like 40 km/s, Earth wouldn’t just crack-it’d boil. Now crank it up to relativistic speeds, near the speed of light, and physics itself starts to break down. The Moon would carry more energy than all
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Follow @physics_unplugged | video description 👇 Throwing a Ball on Different Planets - In this simulation, we explore how different gravitational forces impact the distance a ball travels when thrown at a 45-degree angle with an initial speed of 30 meters per second. Why 45 degrees? It’s the angle that allows the ball to travel the farthest under ideal conditions! We’ve included throws not only on planets but also on the Moon, where low gravity makes for some fascinating results. To help you vi
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Static electricity can cause objects to levitate under the right conditions through a phenomenon known as electrostatic levitation. This occurs when an object is charged with static electricity and is placed near a surface with an opposite charge, creating a strong electrostatic force. If this force is strong enough to counteract gravity, it can lift and suspend the object in mid-air. This effect is often observed in very light materials, such as small bits of paper or dust, which can be repelle
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Follow @physics_unplugged | video description 👇 Thermodynamics explained why the perpetual motion machine, or perpetuum mobile, is simply a physical impossibility, incompatible with the laws of nature. Perpetual motion machines are devices that, theoretically, could function forever without the need for external power. However, these machines never actually work. There are two main reasons why they can’t work: 1-The First Law of Thermodynamics (Conservation of Energy): This law states that ener
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Follow @physics_unplugged | video description 👇 The double-slit experiment illustrates wave interference by showing how particles like light or electrons create an interference pattern when passed through two slits. This pattern, characterized by alternating bright and dark fringes, results from the waves from each slit overlapping and either reinforcing (constructive interference) or canceling each other out (destructive interference). The experiment reveals the wave-like nature of particles,
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Follow @physics_unplugged | video description 👇 A moonbow is a rare natural phenomenon that occurs when moonlight is refracted and dispersed by water droplets in the air, creating a rainbow colored arc in the night sky. Moonbows are typically seen in areas with high levels of moisture and a bright enough moon. They are much fainter and less vivid than regular rainbows because moonlight is not as bright as sunlight. Documentary: Forces of Nature Credit: BBC | DM for removal #astrophysics #astron
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