Short answers, pulled from the story.
Persistence of vision is the biological phenomenon where the human eye retains an image for a fraction of a second after the source has vanished. This effect allows a series of static photographs to appear as fluid movement and forms the foundation of the film industry.
The Lumière brothers held the first public film screenings in 1895. These events charged admission and brought audiences together to witness the magic of moving pictures, marking the transition from individual viewing to public projection.
The Jazz Singer introduced the concept of the talkie and revolutionized the film industry in 1927. This technological shift rendered silent films obsolete within a few years and fundamentally changed the rhythm and structure of filmmaking.
Becky Sharp was the first feature film to utilize the three-strip Technicolor process in 1935. This expensive process changed the landscape of filmmaking and was followed by the mainstream success of The Wizard of Oz in 1939.
Sergei Eisenstein created the innovative montage technique exemplified in Battleship Potemkin in 1925. This method used complex juxtapositions of images to create a visceral impact on the audience and condense time and space to convey emotional or intellectual meaning.
The film industry is centered around Hollywood, California, but Mumbai's Bollywood produces the largest number of films in the world. This demonstrates the universal appeal of cinema and the global reach of the medium.