A Boy And His Atom: The World’s Smallest Movie | The Kid Should See This https://thekidshouldseethis.com/post/ibm-boy-and-his-atom-smallest-movie
Magnifying carbon monoxide (CO) atoms to over 100 million times their actual size, arranging them into a series of 242 still images, and then animating
World Records-verified to be the smallest stop-motion film