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A teacher showing students how older, technology was used to gather and…

A slow panning left CU of a computer monitor. MS of the room, girl…

A illustrated sign on the side of road, tells viewers of a safety fair…

This clip starts out with a still of an early computer, the Harvard…

Man in 70s suit, wire rimmed glasses and blonde mustache performs magic…

Two men in 1970s clothes discuss memory. Man in black glasses and beard…

African American man in 1970s dress and floppy hat yells at people to…

Woman with short shag haircut talks to man with beard and brown leather…

Two men in 1970s clothes discuss ambiguous sounds and how they confuse…

Two men in 1970s clothes discuss memory by comparing it to the way the…

Woman in red jacket talks to tall man with big curly hair, beard, and…

1970s people at party try to solve problems involving patterns and…