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The History of Non-Euclidian Geometry - The Great Quest - Extra History - #2 (Patreon)

Published:
2018-06-01 17:31:00
Imported:
2026-06
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Content

For hundreds of years, Euclid's geometry disappeared with the fall of the Roman Empire. But in Constantinople, Islamic mathematicians, including Al-Khwarizmi (who gave us the word "algebra") worked long and hard on proving the Fifth Postulate.

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The History of Non-Euclidian Geometry - The Great Quest - Extra History - #2

For hundreds of years, Euclid's geometry disappeared with the fall of the Roman Empire. But in Constantinople, Islamic mathematicians, including Al-Khwarizmi (who gave us the word "algebra") worked long and hard on proving the Fifth Postulate. Support us on Patreon! http://bit.ly/EHPatreon (--More below) Subscribe for new episodes every week! http://bit.ly/SubToEC Grab your Extra Credits gear at the store! http://bit.ly/ExtraStore Thanks for participating in this week's discussion! We want you to be aware of our community posting guidelines so that we can have high-quality conversations: https://goo.gl/HkzwQh Contribute community subtitles to Extra Credits: http://www.youtube.com/timedtext_cs_panel?c=UCCODtTcd5M1JavPCOr_Uydg&tab=2 Talk to us on Twitter (@ExtraCreditz): http://bit.ly/ECTweet Follow us on Facebook: http://bit.ly/ECFBPage Get our list of recommended games on Steam: http://bit.ly/ECCurator ___________ Would you like James to speak at your school or organization? For info, contact us at: contact@extra-credits.net ____________ ♪ Get the intro music here! http://bit.ly/1EQA5N7 *Music by Demetori: http://bit.ly/1AaJG4H ♪ Get the outro music here! http://bit.ly/23isQfx *Music by Sean and Dean Kiner: http://bit.ly/1WdBhnm

Comments

Martin Verran

With Regard to the last Episode I'd always Assumed that the most Influential Book after the Bible [in Terms of Impact on Human History] had been the Communist Manifesto by Karl Marx but that's probably my Political Bias talking.

Sientir

This continues to be super engaging, and the end of the episode continues to come far sooner than I want it to. So, good job, especially to the script writer!

Kallikrates

Why is the Atlantic west of Gibraltar dark green at 1:30? And Britain ocean..

Sean Sarff

Why haven’t you guys made a shirt for “Why let a little blank get in the way of a crusade?”

Jon

Minor nitpicks: At 2:13, -pi/2 is displayed on the number line between +1 and +2 (approx +1.3). It should be approx -1.6. At 6:55, the black sea is coloured as land and crimea is coloured as water. Otherwise, good stuff :-)

Justin M.

How do you accidentally steal something from the Vatican archives?

Sean Sarff
>>12767786

While you’re ransacking their library you accidentally grab it instead of the sacred texts you really wanted.

schuyler

how many ep"s of non euclidean geometry will there be ?

Darren Loo

If they had thought me how to do quadratic in Euclidian terms, I might not have flunked math.

HiddenHistory

Around 1:30 , there is an image of a map which has the region of earth to the far left as shaded in green. Is there a reason for this, or was it just a mapping error?

Marc Langlois
>>12789667

Back then the Atlantic was dry land and Great Britain was a sea. One of thoses forgotten facts of history brought to you by Extra History.

Amy Reynolds
>>12762955

I LOVED that call-back to the Crusade episodes! I'm glad I'm not the only person who caught it. ;)

Bill Lemmond

You make math fun! :D I did almost all my calculus homework during super hero tabletop role-playing sessions, and had over 100% average for both terms, because I was having fun. You really are helping. :)

Hao Sun

why was putting irrational numbers on the rational number line so absurd to the greeks? imo \pi is a bad choice as an example of irrational number as it was not known to be irrational at the time, btw the greeks did know how to construct 2^0.5 and move it "onto the number line" through their straightedge and compass constructions so why was this concept so radical?