magic lantern
(noun)
An early form of slide projector that could achieve simple animation by moving and merging images.
Examples of magic lantern in the following topics:
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Slideshows
- Before the advent of motion pictures, slides originally were projected onto a theater screen by magic lanterns.
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Education
- After seeing the magic (which is what it felt like at first), I got used to it and have come to expect it (in the right situations).