Head to shopify.com/scishow for a 14-day free trial. Find out more about Shopify Balance: shopify.com/balance The code cracking machines of the 1940’s are often referred to as the first computers, but they could not have been developed without the intricate machines that predated them by almost a hundred years, but were forgotten about for a century. Thumbnail Image modified from: Science Museum London / Science and Society Picture Library Hosted By: Hank Green ---------- Huge thanks go to the following Patreon supporter for helping us keep SciShow Space free for everyone forever: Jason A Saslow, David Brooks, and AndyGneiss! Support SciShow Space by becoming a patron on Patreon: www.patreon.com/SciShowSpace Or by checking out our awesome space pins and other products over at DFTBA Records: dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? SciShow on TikTok: www.tiktok.com/@scishow SciShow Tangents Podcast: www.scishowtangents.org Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Instagram: instagram.com/thescishow ---------- Sources: Computer: A History of the Information Machine (Martin Campbell-Kelly, William Aspray, Nathan Ensmenger, Jeffrey R.Yost, 3rd edition, 2013)www.britannica.com/technology/Colossus-computerhttps://www.britannica.com/technology/ENIAChttps://en.wikisource.org/wiki/Astronomische_Nachrichten/Volume_46/On_Mr._Babbage%27s_new_machine_for_calculating_and_printing_mathematical_and_astronomical_tableshttps://www.computerhistory.org/babbage/engines/https://www.britannica.com/technology/Difference-Enginehttps://www.smithsonianmag.com/history/what-a-difference-the-difference-engine-made-from-charles-babbages-calculator-emerged-todays-computer-109389254/https://www.whipplemuseum.cam.ac.uk/explore-whipple-collections/calculating-devices/charles-babbages-difference-enginehttps://www.britannica.com/technology/Analytical-Enginehttps://history-computer.com/charles-babbage-analytical-engine/https://www.computerhistory.org/babbage/adalovelace/https://www.britannica.com/biography/Charles-Babbagehttps://www.britannica.com/biography/Ada-Lovelacehttps://www.wired.com/2012/06/alan-turing-name-checks-his-predecessor-charles-babbage/https://collection.sciencemuseumgroup.org.uk/objects/co62243/difference-engine-no-1-difference-enginehttps://collection.sciencemuseumgroup.org.uk/objects/co62245/babbages-analytical-engine-1834-1871-trial-model-analytical-engine-millhttps://collection.sciencemuseumgroup.org.uk/objects/co526657/difference-engine-no-2-designed-by-charles-babbage-built-by-science-museum-difference-enginehttps://www.newscientist.com/article/mg20827915-500-lets-build-babbages-ultimate-mechanical-computer/?ignored=irrelevanthttps://www.cs.virginia.edu/~robins/Ada_and_the_First_Computer.pdfhttps://cse.umn.edu/cbi/who-was-charles-babbageImage Sources:commons.wikimedia.org/wiki/File:Demonstration_model_of_Babbage%E2%80%99s_Difference_Engine_No_1,_19th_century._(9660573663).jpghttps://commons.wikimedia.org/wiki/File:Wartime_picture_of_a_Bletchley_Park_Bombe.jpghttps://commons.wikimedia.org/wiki/File:%27bombe%27.jpghttps://commons.wikimedia.org/wiki/File:Table_of_Geography_and_Hydrography,_Cyclopaedia,_Volume_1.jpghttps://commons.wikimedia.org/wiki/File:Engaving_of_Charles_Babbage_from_Mechanics_Magazine.jpghttps://commons.wikimedia.org/wiki/File:Babbage_difference_engine_drawing.gifhttps://commons.wikimedia.org/wiki/File:Babbages_Difference_Engine_No_1,_1824-1832._%289660573845%29.jpghttps://collection.sciencemuseumgroup.org.uk/objects/co62245https://commons.wikimedia.org/wiki/File:Babbage_Analytical_Engine_Plan_1840_CHM.agr.jpghttps://commons.wikimedia.org/wiki/File:Ada_Lovelace.jpghttps://commons.wikimedia.org/wiki/File:Houghton_AC85.Su662.Zz843m.jpghttps://commons.wikimedia.org/wiki/File:Diagram_for_the_computation_of_Bernoulli_numbers.jpghttps://commons.wikimedia.org/wiki/File:AnalyticalMachine_Babbage_London.jpghttps://commons.wikimedia.org/wiki/File:PunchedCardsAnalyticalEngine.jpghttps://commons.wikimedia.org/wiki/File:Aiken.jpeghttps://commons.wikimedia.org/wiki/File:Harvard_Mark_I.jpghttps://commons.wikimedia.org/wiki/File:Difference_Engine_No._2_(2586076518).jpghttps://commons.wikimedia.org/wiki/File:Babbage_Difference_Engine_Detail_(6224956387).jpghttps://commons.wikimedia.org/wiki/File:Charles_Babbage_1860.jpghttps://commons.wikimedia.org/wiki/File:Ada_Byron_daguerreotype_by_Antoine_Claudet_1843_or_1850.jpg

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