@ispoutfit: SHEIN BAE/ICON💋💋#shienhaul #shein#summervibes #greenscreen

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Tuesday 28 February 2023 11:16:04 GMT

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Thermal expansion is the tendency of matter to change in shape, area, and volume as its temperature rises. When a material is heated, its atoms vibrate with greater energy and move slightly farther apart from one another. This increase in atomic spacing causes the entire object to expand. Metals display this effect very clearly since they conduct heat efficiently and respond quickly to temperature changes. Professor Walter Lewin demonstrated this concept in one of his most famous MIT physics lectures. In his experiment, a metal ball easily passes through a metal ring when both are at room temperature. After heating the ball with a torch, the added thermal energy causes its atoms to spread out, making the ball expand until it can no longer fit through the ring. When the ball cools, its atoms contract back to their original positions, and it fits again, showing that the expansion is temporary and fully reversible. Thermal expansion affects almost everything we use and build. Engineers consider it when designing bridges, railways, and pipelines so that they can safely expand and contract with the weather. Expansion joints and flexible materials help prevent structural damage. Even thermometers and precision instruments depend on the predictable way materials expand with heat. This simple principle reveals how deeply temperature influences the physical world around us. Original Video Credit: YouTube/Lectures by Walter Lewin. They will make you ♥ Physics. (No copyright intended, credit to the rightful owners) #History #Science #education #learn #invention

Thermal expansion is the tendency of matter to change in shape, area, and volume as its temperature rises. When a material is heated, its atoms vibrate with greater energy and move slightly farther apart from one another. This increase in atomic spacing causes the entire object to expand. Metals display this effect very clearly since they conduct heat efficiently and respond quickly to temperature changes. Professor Walter Lewin demonstrated this concept in one of his most famous MIT physics lectures. In his experiment, a metal ball easily passes through a metal ring when both are at room temperature. After heating the ball with a torch, the added thermal energy causes its atoms to spread out, making the ball expand until it can no longer fit through the ring. When the ball cools, its atoms contract back to their original positions, and it fits again, showing that the expansion is temporary and fully reversible. Thermal expansion affects almost everything we use and build. Engineers consider it when designing bridges, railways, and pipelines so that they can safely expand and contract with the weather. Expansion joints and flexible materials help prevent structural damage. Even thermometers and precision instruments depend on the predictable way materials expand with heat. This simple principle reveals how deeply temperature influences the physical world around us. Original Video Credit: YouTube/Lectures by Walter Lewin. They will make you ♥ Physics. (No copyright intended, credit to the rightful owners) #History #Science #education #learn #invention

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Để kím xe điện đổi 😘 #xediendibao #dibaovietnam @DIBAO Việt Nam

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