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Talk:American History Lecture Twelve (view source)
Revision as of 16:44, December 3, 2008
, 16:44, December 3, 2008→ARPANET
Cold War military thinking also gave us one of the greatest innovations from the 1960's. The Defense Department created the concept of the ARPAnet (Advanced Research Projects Agency Network) in the late 1960's as a way of enabling electronic communications even if parts of the national telecommunications network were disabled or destroyed. The ARPAnet concepts were refined in the 1970's to create the framework of today's Internet. --[[User:DinsdaleP|DinsdaleP]] 11:08, 3 December 2008 (EST)
Cold War military thinking also gave us one of the greatest innovations from the 1960's. The Defense Department created the concept of the ARPAnet (Advanced Research Projects Agency Network) in the late 1960's as a way of enabling electronic communications even if parts of the national telecommunications network were disabled or destroyed. The ARPAnet concepts were refined in the 1970's to create the framework of today's Internet. --[[User:DinsdaleP|DinsdaleP]] 11:08, 3 December 2008 (EST)
==Modern Conveniences==
Refrigerators and televisions were introduced to the public before WWII, but the combination of the poor economy in the 1930's and the war itself held off mass adoption until the post-war era. One key development that was actually introduced after WWI instead of before it was electronic computing. The ENIAC celectrical computing device was invented in 1946 to perform ballistics calculations. It weighted 30 tons, took up 1800 square feet, and consumed 160 kilowatts of electrical power while operating. The development of the transistor and integrated circuit in the 1950's began the trend in rapid miniaturization that puts more computing power in one of your students' cell phones than ENIAC ever had. (I recall reading that a single modern laptop could handle all the computing used by NASA to run an Apollo mission, but can't find the reference now.) --[[User:DinsdaleP|DinsdaleP]] 11:44, 3 December 2008 (EST)
==Neil Armstrong==
==Neil Armstrong==
''On July 20, 1969, a simulated broadcast of American Neil Armstrong stepping foot on the Moon was broadcast to a record television audience, with Armstrong's words, "That's one small step for a man, one giant leap for mankind."[2]''<br> I wasn't quite sure what you meant by "simulated broadcast"? I looked at the reference but I couldn't find anything about the broadcast, except that it said "People around the world watched and listened as Neil slowly climbed down the ladder of the lunar lander." Did you mean "simulcast"? Thanks, and sorry in advance if this is another "blonde moment" on my part. I have a cold so I'm not thinking at 100% at the moment. --[[User:Hsmom|Hsmom]] 11:34, 3 December 2008 (EST)
''On July 20, 1969, a simulated broadcast of American Neil Armstrong stepping foot on the Moon was broadcast to a record television audience, with Armstrong's words, "That's one small step for a man, one giant leap for mankind."[2]''<br> I wasn't quite sure what you meant by "simulated broadcast"? I looked at the reference but I couldn't find anything about the broadcast, except that it said "People around the world watched and listened as Neil slowly climbed down the ladder of the lunar lander." Did you mean "simulcast"? Thanks, and sorry in advance if this is another "blonde moment" on my part. I have a cold so I'm not thinking at 100% at the moment. --[[User:Hsmom|Hsmom]] 11:34, 3 December 2008 (EST)