Sound Projector 2 (IMAGE)

University of Sussex

Sound Projector 2

Caption

One of the initial prototypes of the telescope, used for testing. The basic principle is that the combined focal length of the two lenses (in grey) depends on their mutual distance. Also in the picture is a speaker (on the right).

Credit

University of Sussex

Usage Restrictions

To be used in conjunction only with news story regarding University of Sussex research.

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