Exercise 8. Read the text “Technology, science, and inventions of the 20th Century – Timeline” and explain the words in bold. Then, make up dialogues, using the information below.

Date: 2015-10-07; view: 1044.

	I900:The zeppelin was invented by Count Ferdinand von Zeppelin; Charles Seeberger redesigned Jesse Reno's escalator and invented the modern escalator. 1901:The first radio receiver, successfully received a radio transmission; Hubert Booth invents a compact and modern vacuum cleaner. 1902:Willis Carrier invents the air conditioner; The lie detector or polygraph machine is invented by James Mackenzie; George Claude invented neon light.
1903:The Wright brothers invent the first gas motored and manned airplane. 1904:Benjamin Holt invents a tractor; John A Fleming invents a vacuum diode or Fleming valve. 1905:Albert Einstein published the Theory of Relativity 1906:Lewis Nixon invents the first sonar like device. 1907:Leo Baekeland invents the first synthetic plastic; Color photography invented by Auguste and Louis Lumiere; The first piloted helicopter was invented by Paul Cornu.
	1908:Cellophane invented by Jacques E. Brandenberger. 1911:Charles Franklin Kettering invents the first automobile electrical ignition system. 1912:The first tank patented by Australian inventor De La Mole. 1916:Radio tuners invented, that received different stations; Stainless steel invented by Henry Brearly. 1918:The superheterodyne radio circuit invented by Edwin Howard Armstrong. Today, every radio or television set uses this invention. 1921: Artificial life begins -- the first robot built; John Larson invented the lie detector. 1922:Insulin invented by Sir Frederick Grant Banting; The first 3-D movie (spectacles with one red and one green lens) is released.
1923:The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin. 1926:Robert H. Goddard invents liquid-fueled rockets. 1927:Philo Taylor Farnsworth invents a complete electronic TV system; Warren Marrison developed the first quartz clock. 1928:Scottish biologist Alexander Fleming discovers penicillin. 1930:Frank Whittle and Dr Hans von Ohain both invent a jet engine. 1931:Germans Max Knott and Ernst Ruska co-invent the electron microscope. 1932:Karl Jansky invents the radio telescope.
	1933:Frequency modulation (FM radio) invented by Edwin Howard Armstrong. 1935:Robert Watson-Watt patented radar. 1936:Samuel Colt patents the Colt revolver. 1937:Chester F. Carlson invents the photocopier. 1938:Roy J. Plunkett invented Teflon; The first working turboprop engine. 1939:Igor Sikorsky invents the first helicopter.
1940:Peter Goldmark invents modern color television system; Karl Pabst invents the jeep. 1941:Enrico Fermi invents the neutronic reactor. 1942:John Atanasoff and Clifford Berry built the first electronic digitalcomputer. 1943:Synthetic rubber invented; Emile Gagnan and Jacques Cousteau invent the aqualung. 1945:The atomic bomb invented. 1946:The microwave oven invented by Percy Spencer.
	1947:Mobile phones first invented. Although cell phones were not sold commercially until 1983; Bardeen, Brattain, and Shockley invent the transistor. 1951:Charles Ginsburg invented the first video tape recorder (VTR). 1956:The first computer hard disk used; The hovercraft invented by Christopher Cockerell. 1958:The computer modem invented; Gordon Gould invents the laser. 1959:Jack Kilby and Robert Noyce both invent the microchip. 1961:The first spaceflight 1962:The audio cassette invented.
1963:The video disk invented. 1965:The compact disk invented by James Russell. 1967:The first handheld calculator invented. 1968:The first computer with integrated circuits made. 1969:The arpanet (first internet) invented; The artificial heart invented. 1971:The liquid-crystal display (LCD) invented by James Fergason; The microprocessor invented by Faggin, Hoff and Mazor. 1979:Cell phones invented.
	1980:The hepatitis-B vaccine invented. 1984:The CD-ROM invented. 1985:Windows program invented by Microsoft. 1988:Digital cellular phones invented. 1990:The World Wide Web and Internet protocol (HTTP) and WWW language (HTML) created by Tim Berners-Lee. 1993:The pentium processor invented. 1995:DVD (Digital Versatile Disc or Digital Video Disc) invented. 1996:Web TV invented. http://inventors.about.com/od/timelines