important invetions of the 20th centry

  • Wright Brothers invented and flew the first plane

    Wright Brothers invented and flew the first plane
    -the Wright Brothers watched birds to figure out how to make a plane
    -it was a gas powered plane
    -the first flight was in Hitty Hawk, North Carolina
    -the first successful flight lasted 12 seconds and went 120 feet (37 meters)
    -This invention allowed for quicker travel to different places. cite:
    Bellis, Mary. "History of Flight - The Wright Brothers." About.com Inventors. The New York Times Company, n.d. Web. 23 Sept. 2012. http://inventors.about.com/od/wstartinventors/a/TheWrightBrother.htm.
  • The Tommy Gun invented (patented in 1920)

    The Tommy Gun invented (patented in 1920)
    -It was the first hand held machine gun
    -It was made to help end WWI, but it came in shipments on the day WWI ended.
    -It was a huge advantage in WWII because it was an semi-automatic gun cite: Bellis, Mary. "History Of Firearms." About.com Inventors. The New York Times Company, n.d. Web. 23 Sept. 2012. <http://inventors.about.com/od/militaryhistoryinventions/a/firearms.ht -It was known to used my gangs in the 1920s
    - Gangsters called it the typewriter because it made a "rat a tat tat" sound
  • 1920 The Band-Aid made by Earle Dickson

    1920 The Band-Aid made by Earle Dickson
    .it changed peoples life by helping keep cut from getting infected
    . they didn’t fall off as easily as adhesive tape did
    . Earle’s boss saw his invention and made him vice president of his company he stayed in that position till he retired he died 4 years later
    .they were making about $30,000,000 by the time he died
    cite;
    Bellis, Mary. "History of The Band-Aid." About.com Inventors. N.p., 2012. Web. 03 Oct. 2012. http://inventors.about.com/od/bstartinventions/a/bandaid.htm.
  • 1937 the first jet engine was invented by Frank Whittle

    1937 the first jet engine was invented by Frank Whittle
    .the plane will run better .the plane is faster with gas engines to run it. it runs out of gas so it won’t stay in flight longer.it was better to use for the warcite-
    Bellis, Marry. "The History of the Jet Engine - Sir Frank Whittle - Hans Von Ohain." The History of the Jet Engine - Sir Frank Whittle - Hans Von Ohain. N.p., n.d. Web. 12 Oct. 2012. http://inventors.about.com/library/inventors/bljetengine.htm.
  • The Atomic Bomb was invented

    The Atomic Bomb was invented
    -in 1939 Albert Einstein figured out that the nazis were messing with uranium which could have been used for an Atomic Bomb.
    -President Roosevelt wasn't able to stop if for six years
    -In the process of tryting to stop it, they spent $2 Billion on the research (Manhattan Project) to stop the bomb before it was made
    -This impacted us because it was the start of WWII cite:
    Bellis, Mary. "History of the Atomic Bomb & The Manhattan Project." About.com Inventors. The New York Times Company, n.d. We
  • .The microwave was invented in 1946 by Percy L. Spencer

    .The microwave was invented in 1946 by Percy L. Spencer
    .the microwave changed peoples live by being able to heat things up quickly
    .the first microwave weighed 750 lbs. and stood 5 foot 6 inches
    .now microwaves are popular around the globe
    .the down side of the microwave is that something didn’t cook properly in the microwave cite:Bellis, Marry. "Microwave Ovens and Percy Spencer." Microwave Ovens and Percy Spencer. N.p., n.d. Web. 02 Nov. 2012. http://inventors.about.com/library/inventors/blmicrowave.htm.
  • In 1948 velcro was invented by George de mestral

    In 1948 velcro was invented by George de mestral
    .Velcro was know as a two sided fastener
    .he got the idea of Velcro from a burr sticking in his pants
    .they were selling over 60,000,000 yards per year
    . today it’s a multi-million dollar industry
    . it changed peoples lives today because it used for pockets and it hold well so there stuff wont fall out cite:Bellis, Marry. "The Invention of Velcro - George De Mestral." The Invention of Velcro - George De Mestral. N.p., n.d. Web. 02 Nov. 2012. <http://inventors.about.com/library/weekly/aa09129
  • The credit card was invented in 1890 by the Europe but we started to use it around 1950

    The credit card was invented in 1890 by the Europe but we started to use it around 1950
    . the credit card helped people with keeping track of there money
    . it helped banker ,store ,ect. Keep track of what they bought
    .they changed peoples lives because they were easier than carring cash around then people lose there
    cite: Bellis, Marry. "Who Invented Credit Cards?" About.com Inventors. N.p., n.d. Web. 02 Nov. 2012. http://inventors.about.com/od/cstartinventions/a/credit_cards.htm.
  • 1959 the pacemaker created by john hopps

    1959 the pacemaker created by john hopps
    .The pacemaker was the first artificial heart restarter
    . it was made to heat up the heart if it started to stop beating for it cooling
    . the first one he made was to big to fit in a humans body
    .hopps was a trained electrical engineer at the University Of Manitoba
    cite;
    Bellis, Mary. "Invention of the Cardiac Pacemaker - Artificial Hearts - Electrocardiography." Invention of the Cardiac Pacemaker - Artificial Hearts - Electrocardiography. N.p., n.d. Web. 03 Oct. 2012. <http://inventors.about.
  • 1979 the cell phone

    1979 the cell phone
    .the cellphone changed people’s lives because it was pocket size and not hard to carry
    . it could reach to places all around the world than the original phone
    . it was like a two way radio
    .the cell-phone is something people can’t live without these days
    cite;
    Bellis, Mary. "Selling The Cell Phone - History Of Cellular Phones." Selling The Cell Phone - History Of Cellular Phones. N.p., n.d. Web. 03 Oct. 2012. http://inventors.about.com/library/weekly/aa070899.htm.