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In the early 1970s, National Foam, Inc. invented alcohol-resistant AFFF technology. AR-AFFF is a synthetic foam developed for both hydrocarbon and polar-solvent materials. Polar solvents are combustible liquids that destroy conventional fire-fighting foam.
1963 The United States Navy scientists began to work with 3M to develop aqueous film-forming foams (AFFF). The US military began to use AFFF since its development in 1963 and patented AFFF in 1967. [22] [23] 1961 A DuPont in-house toxicologist said C8 was toxic and should be "handled with extreme care." [10]
AFFF was developed in the 1960s under Project Light Water in a joint venture between 3M and the U.S. Navy. AFFF forms a film that floats out before the foam blanket, sealing the surface and smothering the fire by excluding oxygen. AFFF is widely used for ARFF firefighting at airports, often in conjunction with purple-K dry chemical.
Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup
AFFF may refer to : Film festivals. Asian Festival of First Films, a former film festival held in Singapore; Imagine Film Festival, formerly Amsterdam Fantastic ...
2004: First podcast, invented by Adam Curry and Dave Winer, is a program made available in digital format for download over the Internet and it usually features one or more recurring hosts engaged in a discussion about a particular topic or current event. [545] [546] [547] 2005: YouTube, the first popular video-streaming site, was founded
Electric lighting, motion pictures, phonograph [4] 1974 Alexander Graham Bell: 1847 Telephone [5] 1974 Eli Whitney: 1765 Cotton gin [6] 1974 Walter Brattain : 1902 Transistor [7] 1974 William Shockley: 1910 Transistor [8] 1974 John Bardeen * 1908 Transistor [9] 1975 Nikola Tesla: 1856 Induction motor [10] 1975 Orville Wright: 1871 Airplane [11 ...
A Rosenbauer airport crash tender at London Heathrow Airport A Rosenbauer Simba 8x8 HRET at Frankfurt Airport in action Spray nozzle in use on airport crash tender. An airport crash tender (known in some countries as an airport fire appliance) is a specialised fire engine designed for use in aircraft firefighting at aerodromes, airports, and military air bases.