The Discovery of Radioactivity (1965)
In 1895, Wilhelm Röntgen discovered X-rays while experimenting with cathode rays and crystals, leading to the realization that invisible rays
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The Discus (1959)
The discus throw requires a comprehensive understanding of its principles, emphasizing the importance of twist, torque, and centrifugal force. Athletes
The Doctor (1947)
Dr. Ralph Kramer, a pediatrician, conducts routine examinations and vaccinations for children in his office. He assesses a young boy
The Doctor (silent, 1930s)
This 1930s educational film chronicles the advancements in medicine, emphasizing the pivotal role of Louis Pasteur in laying the foundation
The Dodder (silent, 1931)
This 1930s silent science film sequence visually documents the parasitic growth of the dodder vine as it winds its way
The Donkey Broker (1950s?)
Marionettes! The film presents a dialogue between two candidates during an election, highlighting the typical dynamics of political discourse. One
The Donkey’s Barley Ration (1950s)
Marionettes! The film follows a donkey named Slowfoot and his owner, Nasr-ed-din Hoja, in a quaint town where they
The Doughnuts (1963)
In this vintage film, Homer helps at his father’s tourist camp and overhears a conversation about labor-saving devices at Aunt
The Draggin’ Wagon (1963)
The film follows Clarence Carter Jr., a young boy in Washington D.C. who builds a soapbox racing car to compete
The Durango Daredevil Strikes Again (1974)
Butch Bear gets angry because he can’t play piano in the school concert. To get even, he dresses up like
The Earth – Coastlines (1969)
Uses animation, wave tank, live-action photography, and underwater models to show how waves develop, how coastlines are shaped, and to
The Earth (silent, 1930s)
This 1930s educational film illustrates the interconnected forces of nature, celestial motion, and Earth’s geology through vivid animations and live