-
antibiotics
"History of Medicine : Medicine in the 20th Century." Encyclopedia Britannica Online. Encyclopedia Britannica, n.d. Web. 08 Oct. 2012. http://www.britannica.com/EBchecked/topic/372460/history-of-medicine/35671/Antibiotics. -
radio
the radio changed peples lives a ton they could here newz and listen to storys and just listen to a ton they loved it they changed the way they did thinges -
corn flakes
"Corn Flakes History - Invention of Kellpgg's Corn Flakes." Corn Flakes History - Invention of Kellpgg's Corn Flakes. N.p., n.d. Web. 08 Oct. 2012. http://www.ideafinder.com/history/inventions/kelloggcf.htm. -
air plain
"Early 20th Century Develements in Human Flylt." Infoplease. Infoplease, n.d. Web. 08 Oct. 2012. http://www.infoplease.com/ipa/A0872854.html. -
television
"Television in the 20th Century." ThinkQuest. Oracle Foundation, n.d. Web. 08 Oct. 2012. http://library.thinkquest.org/27629/themes/media/mdttv.html. -
Automobile
"The Impact of the Automobile on the 20th Century." The Impact of the Automobile on the 20th Century. N.p., n.d. Web. 08 Oct. 2012. http://l3d.cs.colorado.edu/systems/agentsheets/New-Vista/automobile/. -
submarine
Military." Submarine History. N.p., n.d. Web. 08 Oct. 2012. http://www.globalsecurity.org/military/systems/ship/sub-history5.htm. -
nuclear power
Citation added:
"Nuclear Power." - 20th and 21st Centuries. N.p., 12 Mar. 2011. Web. 08 Oct. 2012. http://www.educationscotland.gov.uk/scotlandshistory/20thand21stcenturies/nuclearpower/index.asp. -
personal computer
"Forget-me-not." : The Personal Computer, the Greatest Invention in the 20th Century! N.p., n.d. Web. 08 Oct. 2012. http://shmori6.blogspot.com/2011/03/computer-greatest-invention-in-20th.html. -
internet
"Internet - Greatest Engineering Achievements of the Twentieth Century." Internet - Greatest Engineering Achievements of the Twentieth Century. N.p., n.d. Web. 08 Oct. 2012. http://www.greatachievements.org/?id=2961.
