Atom: How Big Is an Atom?

Duration: 33

Creator: KQED-TV

Format: 16mm

Color: B&W

Description: Establishes the realness of atoms by showing they have a definite and understandable size in relation to the visible world. Reviews various determinations of the size of atoms. Discusses some of the ways in which the effects of atoms have been observed. Emphasizes that when the size of atoms has been determined in many different ways, always with identical results, we can no longer doubt that atoms exists. Through the optical and electron microscope, presents a visual notion of the size of atoms. Suggests that contrary to our usual concept of matter as being divisible ad infinitum, the end of this division may be nearer than most of us think. (KQED) Film.

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Indiana University Library Moving Image Archive

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