Brownian motion

The video explains Brownian motion, a phenomenon where particles in a liquid or gas move erratically due to collisions with smaller, invisible atoms or molecules. It provides examples such as smoke particles in air and mineral crystals in algae, demonstrating how these larger particles are jiggled by the smaller, unseen particles, thus proving the existence of atoms and molecules.

Why are atoms and molecules not visible under a microscope?

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How do tiny mineral crystals interact with water molecules in the context of Brownian motion?

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