Atoms and molecules

An exploration of the atoms and molecules that make up our world.

Lawrence Bragg first describes and illustrates the structure of atoms and molecules. This is followed by a demonstration that conveys ideas not only on the size of atoms and molecules but also of the progressive development of microscopic instruments and techniques. Two classical experiments are performed in close-up, one demonstrating the wetting of oil molecules and the other showing Brownian motion.

 

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