• 19 Videos, Slides, Films

• 4 Food
• 4 Gastronomy
• 4 Physical sciences
• 4 Physics
• 4 Technological innovations
• 3 Mathematics
• 3 Science
• 2 Electricity
• 2 Electronics
• 2 Information society
• 2 Social change
• 2 Standards of mass
• 2 Technological aspects
• 1 Aerodynamics
• 1 Aeronautics
• 1 Aerospace industries
• 1 Agriculture
• 1 Air conditioning
• 1 Archaeology
• 1 Artificial foods industry
• 1 Artificial satellites
• 1 Big Ben (Tower clock)

• 15 Films for the Humanities & Sciences (Firm)
• 4 Public Broadcasting Service (U.S.)
• 3 Infobase
• 3 Open University
• 1 BBC Worldwide Ltd
• 1 Electric Sky (Firm)
• 1 WNET (Television station : New York, N.Y.)

• 19 English

• 3 United States
• 1 Europe

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