Year
1985
Distributor
Time Life Video
Country
US
Video Standard
NTSC
OCLC
43046875
Language
ENG
Host James Burke traces the connection between medieval advances in the science of warfare, the discovery of large silver deposits in Czechoslovakia, the discovery of natural laws, and the invention of modern telecommunications
Third in a series combining history and science to discover why major technological changes occurred and traces these inventions to seemingly unrelated "triggers" during the past 12,000 years. This segment shows a link between the telephone and riding stirrups. When the Normans first used stirrups, their advantage caused every army to search for money to re-outfit. They dug mine shafts deeper, the shafts began to flood, and scientists like Galileo investigated vacuums and air pressure to bring the mines back to working order. These studies formed the foundations for radio, telephones, and deep space telecommunications that may someday contact other worlds
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