thumb|A 1 mm diameter microphotograph,
thumb|A 1 mm diameter microphotograph,
Microphotographs are photographs shrunk to microscopic scale. Microphotography is the art of making such images. Applications of microphotography include espionage such as in the Hollow Nickel Case, where they are known as microfilm.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).