AVE6327881: 1960s: Boy equips football helmet / Bridgeman Images

AVE6327887: 1960s: Boy enters car / Bridgeman Images

AVE6327908: America, c.1990s: Medium close up: Astronaut in space receives telecom instruction while installing capture bar on satellite / Bridgeman Images

AVE6327929: America, c.1990s: Interior of NASA mission control room / Bridgeman Images

AVE6327944: America, c.1990s: Three astronauts, attached to robotic arms, receive telecom instructions while working with satellite near exterior of space shuttle Endeavour / Bridgeman Images

AVE6327947: 1960s: Two men enter classroom / Bridgeman Images

AVE6327974: America, c.1990s: Three astronauts on exterior of space shuttle Endeavour as Intelsat VI satellite slowly moves out of top of frame / Bridgeman Images

AVE6327980: America, c.1990s: Three astronauts on exterior of space shuttle Endeavour as Intelsat VI satellite hovers above them / Bridgeman Images

AVE6327992: United States, 1950s: William Pickering, James Van Allen and Wernher Von Braun at press conference / Bridgeman Images

AVE6321582: United States, 1970s: Baseball game, boy hits ball at plate / Bridgeman Images

AVE6321585: United States, 1970s: Scenery spins / Bridgeman Images

AVE6321597: United States, 1970s: Girl with Lego structure / Bridgeman Images

AVE6321642: United States, c.1950: Teacher tells kids to duck and cover under their desks / Bridgeman Images

AVE6321645: 1980s: Man sits in control room / Bridgeman Images

AVE6321651: United States, 1940s: Aerial shots of planes spraying pesticide / Bridgeman Images

AVE6321678: United States, 1940s: Man sprays pesticide on bush / Bridgeman Images

AVE6321973: Actor Playing Michael Faraday Works in a Science Lab / Bridgeman Images

AVE6321976: Coal Moving Along a Conveyor Belt inside Mine / Bridgeman Images

AVE6321997: Man Operates Lumber Machinery / Bridgeman Images

AVE6322000: Ventilation System Under a River / Bridgeman Images

AVE6322009: Man Carries Heavy Coal into House for Stove / Bridgeman Images

AVE6322030: United States, 1950s: View of American flag / Bridgeman Images

AVE6322171: 1940s: Boats and fishing vessels drift in the harbor at sunset / Bridgeman Images

AVE6322180: 1980s: People set up the wiring and controls in a flight simulator / Bridgeman Images

AVE6322183: USA, 1950s: Animation of molecules leaving cells and entering blood stream in process of respiration and metabolism / Bridgeman Images

AVE6322192: 1980s: Computerized airplane landing display, compared to images of the actual runway and pilot's view / Bridgeman Images

AVE6322195: USA, 1950s: Patient on a respirator / Bridgeman Images

AVE6322204: 1980s: Small aircraft parked at an airport / Bridgeman Images

AVE6322219: USA, 1950s: Two white rats of different sizes / Bridgeman Images

AVE6322228: 1980s: Space shuttle Enterprise, mounted on a Boeing 747, parked at a NASA facility at sunset / Bridgeman Images

AVE6322234: USA, 1950s: Animation of the stomach / Bridgeman Images

AVE6322267: United States, 1940s: Pigs in a Pen / Bridgeman Images

AVE6322270: United States, 1940s: Military Planes Flying in Formation / Bridgeman Images

AVE6322311: United States, 1960s: bills in cash register / Bridgeman Images

AVE6322320: United States, 1960s: Lady stands at check out / Bridgeman Images

AVE6322335: United States, 1960s: lady picks up magazine at shopping check out / Bridgeman Images