Watch Connections 2 Season 1 Episode 3 Online
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- Subtitles: English
James Burke explains the relationship between hot air balloons and laughing gas, and goes on to surgery, hydraulic-water gardens, hydraulic rams, tunnelling through the Alps, the Orient Express, nitroglycerin, heart attacks and headaches, aspirin, carbolic acid, disinfectants, Maybach-Gottlieb Daimler-Mercedes, carburetors, helicopters, typewriters, punch cards, and IBM.