The Insane Real Engineering of the Nazi Enigma Machine

How did Bletchley Park's codebreakers crack the "unbreakable" enigma? Sponsored by Incogni - use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off your annual subscription.

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0:00 Who invented Enigma?
4:16 How did Enigma work?
10:51 The Secret Spy Mansion
13:10 The First Codebreakers Who Broke Enigma
16:45 Trying To Decrypt An Enigma Message
22:35 Who was Alan Turing?
26:30 How Enigma’s Flaws Were Exploited
34:27 Breaking Enigma - The Bombe
41:39 The Naval Enigma
44:35 What did Alan Turing do after Bletchley Park?

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A huge thanks out to Sir Dermot Turing, Jonah Weinbaum, Andrew Fryer, John Pickles, Peter Hoath, Robert Dowell and all of the experts at Bletchley Park & The National Museum of Computing that helped make this video possible!

Shout out to Jared Owen for letting us use his 3D model of the Enigma machine! Check out his amazing video: https://youtu.be/ybkkiGtJmkM?si=fNtZF6StWhiIxRtB

Bletchley Park is a museum and heritage attraction open daily to visitors. To plan your visit and book tickets, head to: https://www.bletchleypark.org.uk/plan-a-visit/

The National Museum of Computing at Bletchley Park is an independent charity housing working historic machines. Plan your visit here: https://www.tnmoc.org/plan-your-visit

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Can you decrypt this unbroken Naval Enigma message? Let us know in the comments!

JCRSAJTGSJEYEXYKKZZSHVUOCTRFRCRPFVYPLKPPLGRHVVBBTBRSXSWXGGTYTVKQNGSCHVGF

Universal Enigma simulator by Daniel Palloks: https://ve42.co/EnigmaSim

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References: https://ve42.co/BletchleyRefs

Visual References: https://ve42.co/BletchleyVisRefs

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Special thanks to our Patreon supporters:
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Writers: James Moore, Gregor Čavlović, Darius Garewal & Emilia Gyles
Producer & Director: James Moore
Additional Directing: Darius Garewal
Presenters: Gregor Čavlović & Derek Muller
Editor: Peter Nelson
Additional Editing: James Stuart & Trenton Oliver
Camera Operators: Rob Newman & Darius Garewal
Animators: Emma Wright, Domonkos Józsa, Alex Drakoulis, Andrew Neet, Rokas Vikšraitis & Aleksandrs Loginovs
Illustrator: Jakub Misiek
Researchers: Darius Garewal & Gabe Strong
Thumbnail Designers: Abdallah Rabah, Daniel Ellacott & Ben Powell
Production Team: Jess Bishop-Laggett, Glen Griffiths, Matthew Cavanagh & Anna Milkovic
Executive Producers: Gregor Čavlović, Emilia Gyles, Henry van Dyck & Derek Muller

Additional video/photos supplied by Getty Images and Storyblocks
Music from Epidemic Sound
& Sprach Zarathustra - Conducted by Philip Milman (https://pmmusic.pro/)