Virtual Colossus @VirtualColossus
Colossus was a computer built during WW2 to crack the German Lorenz. 3D web based version + Enigma,Lorenz,Typex & Bombe soon @[email protected] virtualcolossus.co.uk Milton Keynes, England Joined August 2016-
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05 May 1921: Birth of Mavis Lever (later Batey), #BPark code breaker, made crucial break into Italian Enigma before battle of Cape Matapan.
If you're not sure how to spend your May Bank Holiday weekend, why not enjoy a family day out at Bletchley Park? With fun-filled free activities, our ‘TOP SECRET’ Mission Packs, and interactive exhibitions, there's lots to keep little ones busy! bletchleypark.org.uk/book-now/
There's some free #maths in #museums training coming up for museums planning to get involved with @mathsweekscot: eventbrite.co.uk/e/maths-in-mus… Would any English museums be interested in similar training aimed at participation in @maths_week England? Or even @mathsweekldn ?
01 May 1940: German army+air force change Enigma indicator procedure, #BPark Hut 6 now cannot use "Netz" (Zygalski sheets) to break Red key.
30 Apr 1943: #BPark told to protect Operation Mincemeat by suppressing any decrypts about papers retrieved from courier shot down off Spain.
30 Apr 1935: Wing Commander (later Air Vice-Marshal) Oswyn Lywood completes British TypeX cipher machine prototype, based on Enigma.
Samuel Morse was born #OTD in 1791. In his honor, this month we bring you a quote from him written in International Morse Code. Can you #CrackTheCode?
William Friedman considered the 1817 Wadsworth Cipher to be the first modern disk cipher invented. Thanks to the Hamden Historical Society, this device is in our new Cipher Wheels exhibit opening on 4/29/24. Photo credit: Hamden Historical Society. nsa.gov/Portals/75/doc…
🖱️ Want to be part of preserving #Computing #History? Volunteer with us at #TNMOC! Inspire visitors, assist with hands-on restorations, and share your passion ❤️ Apply now: tnmoc.org/volunteer #Volunteer #TechHistory #Museum #VolunteerOpportunity
Act fast! Only 5️⃣ weeks left to secure your spot! Our inaugural #HackTheMuseum #Hackathon, in collaboration with @particle and Intelligent Industries, is set to take over the #Museum on June 1st! You must be 16+ and in full or part-time education 📚 🎟️ ow.ly/B4ne50RnjLp
Would you like your very own Hagelin M-209 without paying thousands to buy one? Yeah of course you do! Testing my latest sim in VR & it's looking awesome! Need to work on controls & model still not quite done but progress made! @tnmoc @bletchleypark @threejs @cryptomuseum
The second part of our series on Enigma is now available. In this part, Dr Thomas Cheetham discusses the top 5 weaknesses of the machine and the significant design imperfections exploited by the codebreakers here at Bletchley Park Watch this part here: youtu.be/SQJJFn4oPRY?si…
When computers were human.
26 Apr 1940: British destroyer HMS Griffin captures disguised German armed trawler Polares, recovers Enigma indicator procedure and cribs.
24 Apr 1937: Dilly Knox of GC&CS breaks into Italian Navy Enigma K (wiring "D"), also used by nationalists in Spanish Civil War.
The first National Intelligence History Conference, organised by GCHQ and @bletchleypark takes place in November. We are inviting submissions on the theme 'People in Intelligence' - deadline 24 May For more information visit; bletchleypark.org.uk/nihc/
Don't miss our next #Talk on #Ukrainian #Computing 🖥️ Join us as we unveil the fascinating revolution in Soviet #PersonalComputing fueled by advancements from #Ukraine 🇺🇦 Book your place 👉 ow.ly/a0n050Rl4Tn 📷 Музей Комп'ютерних Технологій
Small but very satisfying addition & fun to animate, I introduce the case support (ta-da). #VirtualM209 @tnmoc @bletchleypark @mgoeggerle
Bletchley Park @bletchleypark
58K Followers 3K Following Once the top-secret Home of the Codebreakers. Now open daily. Visit our website to see what events we have coming up.
Ken Shirriff @kenshirriff
70K Followers 1K Following Computer history. Reverse-engineering old chips. Restored Apollo Guidance Computer, Alto. Ex-Google, Sun, Msft. So-called boffin.
TNMOC @tnmoc
11K Followers 3K Following The National Museum of Computing (TNMOC) is home to the world's largest collection of working historic computers. Follow the development of computing:
Helen Fry | WWII Hist.. @DrHelenFry
24K Followers 2K Following Author & Historian of WWII, espionage & spies. Expert on Secret Listeners and The Man Who Saved MI6. Read 'Women in Intelligence': https://t.co/eTv9oKLPs6
Peter Onion @PeterOnion
1K Followers 73 Following Retired (early) Software Eng. G0DZB occasionally /P on HF. Discoverer of the PI 2 Xenon Death Flash. Looks after the Elliott 803 at TNMOC
Dr Peter Caddick-Adam.. @militaryhistori
72K Followers 70K Following Welcome to Planet Caddick: wordsmith & war professor; NATO historian; ex-reserve officer; 9 books; defence journalist @TheCriticMag/@BBC/@SkyNews
Dr Claire Hubbard-Hal.. @spyhistory
8K Followers 830 Following Historian obsessed with Women in Intelligence #HERstory | #MissMoneypenny | Dress & Disguise | Spy Gadgets | #SpyHistory | Rep’d by @northbanktalent
time to go @JohnKennedyEsq
8K Followers 7K Following gone to @GrantMeStrength@hac https://t.co/Gsrs1h5uFQ
L Break Into Program .. @BreakIntoProg
6K Followers 3K Following Software developer & electronics dabbler Restoring & programming vintage computers from Acorn Atom to ZX81 YouTube: https://t.co/L8eYj6AFY0
Frode Weierud @ccr@ma.. @FWeierud
510 Followers 690 Following Retired CERN engineer seriously interested in cryptology and its history. Enjoys ham radio, code breaking, programming, reading, walking and good coffee. @LA2RL
Computing History @computermuseum
34K Followers 1K Following The Centre for Computing History - The UK’s largest computer and video game museum with a uniquely hands-on exhibition.
@6502nerd.bsky.social @6502nerd
3K Followers 1K Following Creating, learning and being nerdy. I like old computers, retro coding & homebrew computer making. Hail Wozniak! #MOS6502 #8bitcoders #oric #homebrewcomputer
Tony Comer @TCHisTree
2K Followers 539 Following Formerly Departmental Historian GCHQ TCHisTree at one other place; @tonycomer.bsky.social at another.
Extreme Electronics @ExtElec
5K Followers 2K Following Tesla coils - HV experiments - 3D printing - Programming - Kits via @extkits - Electronics and shed science. | mstdn.social@Extelec
drc @mfdrcvlad
5 Followers 60 Following
Shannan Chesbrough @ChesbrouShan
82 Followers 5K Following
Hailee Ringley @HailRing
48 Followers 5K Following
Tina Likens @t_liken
75 Followers 5K Following
Raven Morosco @MoroscoRav38191
109 Followers 5K Following
Mellie Whitehouse @WhitehoMell
66 Followers 5K Following
Alice in ID25 🇬�.. @AliceWondersUK
106 Followers 402 Following Ex Conservative. The centre is on the right. Aspiration for everyone. Always learning. Small business owner, IT, government, landlord.
Alex King @devoplimey.. @devoplimeyninja
245 Followers 694 Following Technology nerd, DevOps ninja, maker of things, aerospace and science fiction fan. Los Alamos National Lab.
Jwtravel1/ @jwtravel1
85 Followers 196 Following Captain 787, Ret. Chicago, IL. My views, my opinions. Retired. Don’t want to. Don’t have to. Can’t make me.
Retro Newbie @RetroNewbieYT
59 Followers 156 Following Retro computer collector and enthusiasts based in Italy. I occasionally posts video of my collection on youtube: https://t.co/QK6iTYIJzN
Apollo Instruments @Apollo_DSKY
330 Followers 2K Following DSKY is a unique Moonwatch with a true lunar legacy borne out of the Apollo Space Program. Pre-Order the Launch Edition now!
CJBaird198329 @baird1983227038
18 Followers 61 Following
Mark Simner @marksimner
5K Followers 2K Following Author and Magazine Feature Writer of British Military History | MHM Book of the Year Nominee | Book Reviewer | Militaria Collector | BA (Hons) MSc
Luna @Cherish189284
3 Followers 808 Following
Luna @usClara193830
4 Followers 805 Following
Zoraida Motayen @ZoraiMotay
62 Followers 5K Following
Marwa Cheuvront @CheuvrontM14775
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Debora Jarratt @DeboJarrat
53 Followers 5K Following
Nothing @ifindyou4444
154 Followers 1K Following
Clara Bray @Clara_bray09
747 Followers 3K Following 18+ destiny RP account DMs are open. writer born in 2004. ( if anybody doesn’t trust I can send image of my ID card )
Emirhan @Emirhan729753
0 Followers 3K Following
Gary Watson @GaryMWatson
1K Followers 2K Following VP and C-Level tech executive in the storage and counter-UAS space. Former VP at @Fortemtech. Former CTO of @Nexsan. Personal views only. Like != Endorsement.
Malka Rola @MalkaRola99288
38 Followers 5K Following
João Tomé @emot
2K Followers 1K Following Telling stories @Cloudflare. Previously journalist @Publico SIC @dinheiro_vivo, etc. Discoverer. Human🇵🇹. Tech, cinema, cars. Podcaster @madeintech01
Hadwin @teslowh40818
230 Followers 2K Following
Parody David Pick @davidmpick
42 Followers 131 Following
Michael Borthwick @MikeBorthwick
482 Followers 2K Following Masters of Research (Swinburne). Developing accessible & multilingual museum exhibits. Researching Exidy Sorcerer microcomputer history. VK3XDY
/dev/null @smbthomas
2K Followers 2K Following Retired programmer/web developer. "Open the pod bay doors, HAL." "I'm sorry Dave, I'm afraid I can't do that."
FIKRET @FIKRET818664051
104 Followers 2K Following
Veiled Valor @Veiled_Valor
412 Followers 1K Following Inspired by Col. K.R. Kreps, who never talked about his valorous past, nearly lost to history forever if not for the discoveries in a war chest decades later.
Mike Harding @mikeharding01
16 Followers 121 Following
Andrew Brandish @AndrewBrandish1
76 Followers 203 Following
Ralph Randall 🐠�.. @pompomroundhead
1K Followers 554 Following My mum adopted me and I'm not even grateful. Here for a fun time as well as a long time. I'm so fluffy
michael @Msx1234Michael
253 Followers 3K Following
sprash ✳ 🏴�.. @sprash35005889
783 Followers 1K Following average ponderous guy wandering the hills and valleys of life with a dopey golden retriever...
David O'Keefe @okeefehistorian
4K Followers 2K Following Military Historian, best-selling author, Prof of History, Documentarian, Creator, Host, Writer, Producer etc. Creaky old Ballplayer.
FREE BIRD @FreeB6923
113 Followers 2K Following
Casillic @Casillic
13K Followers 3K Following Critical Infrastructure, High Consequence / High Integrity Systems, Space, Nuclear, Mathematics, Public Health, HPC #NASASocial RT|Fav|Follow≠Approve|No DM 🇺🇸
Digital Thylacine @DigiThylacine
42 Followers 51 Following
MerrillSavoy @MerrillSav11671
117 Followers 2K Following
Bob Dickson @jodrellbob
570 Followers 4K Following I honestly wouldn't follow me tbh. I am one of the telescope controllers at Jodrell Bank Observatory. Void howler. Will name all four members of Kiss.
AimEe @AimeePickerele
54 Followers 340 Following
Bletchley Park @bletchleypark
58K Followers 3K Following Once the top-secret Home of the Codebreakers. Now open daily. Visit our website to see what events we have coming up.
Ken Shirriff @kenshirriff
70K Followers 1K Following Computer history. Reverse-engineering old chips. Restored Apollo Guidance Computer, Alto. Ex-Google, Sun, Msft. So-called boffin.
TNMOC @tnmoc
11K Followers 3K Following The National Museum of Computing (TNMOC) is home to the world's largest collection of working historic computers. Follow the development of computing:
GCHQ @GCHQ
184K Followers 324 Following The UK's intelligence, security and cyber agency, helping to keep the UK safe online and in the real world. Follow the cyber security arm of our mission @NCSC.
Helen Fry | WWII Hist.. @DrHelenFry
24K Followers 2K Following Author & Historian of WWII, espionage & spies. Expert on Secret Listeners and The Man Who Saved MI6. Read 'Women in Intelligence': https://t.co/eTv9oKLPs6
Peter Onion @PeterOnion
1K Followers 73 Following Retired (early) Software Eng. G0DZB occasionally /P on HF. Discoverer of the PI 2 Xenon Death Flash. Looks after the Elliott 803 at TNMOC
Dr Peter Caddick-Adam.. @militaryhistori
72K Followers 70K Following Welcome to Planet Caddick: wordsmith & war professor; NATO historian; ex-reserve officer; 9 books; defence journalist @TheCriticMag/@BBC/@SkyNews
Dr Claire Hubbard-Hal.. @spyhistory
8K Followers 830 Following Historian obsessed with Women in Intelligence #HERstory | #MissMoneypenny | Dress & Disguise | Spy Gadgets | #SpyHistory | Rep’d by @northbanktalent
Dan Snow @thehistoryguy
428K Followers 2K Following Creative Director of the world's best History Channel https://t.co/R6CMLAObl3 | I host the Dan Snow’s @HistoryHit podcast
time to go @JohnKennedyEsq
8K Followers 7K Following gone to @GrantMeStrength@hac https://t.co/Gsrs1h5uFQ
L Break Into Program .. @BreakIntoProg
6K Followers 3K Following Software developer & electronics dabbler Restoring & programming vintage computers from Acorn Atom to ZX81 YouTube: https://t.co/L8eYj6AFY0
Frode Weierud @ccr@ma.. @FWeierud
510 Followers 690 Following Retired CERN engineer seriously interested in cryptology and its history. Enjoys ham radio, code breaking, programming, reading, walking and good coffee. @LA2RL
Computing History @computermuseum
34K Followers 1K Following The Centre for Computing History - The UK’s largest computer and video game museum with a uniquely hands-on exhibition.
National Cryptologic .. @NatCryptoMuseum
8K Followers 73 Following As @NSAGov's principal gateway to the public, the NCM collects, preserves, and showcases unique cryptologic treasures.
@6502nerd.bsky.social @6502nerd
3K Followers 1K Following Creating, learning and being nerdy. I like old computers, retro coding & homebrew computer making. Hail Wozniak! #MOS6502 #8bitcoders #oric #homebrewcomputer
Paul Reed @sommecourt
53K Followers 869 Following Military Historian, Author, Battlefield Guide: specialising in the First World War & #WW2. On your TV sometimes. Host of the #WW1 podcast @OldFrontLinePod. 🇫🇷
Tony Comer @TCHisTree
2K Followers 539 Following Formerly Departmental Historian GCHQ TCHisTree at one other place; @tonycomer.bsky.social at another.
The National Archives @UkNatArchives
177K Followers 723 Following Official archive of the UK government. Discover our online collections, research guides and educational resources, spanning 1000 years of history.
Klaus Schmeh @KlausSchmeh
1K Followers 684 Following Verschlüsselungsexperte, Buchautor, Blogger, Journalist, Hzqasdükqjfk
Thomas Flynn @nebulousflynn
5K Followers 1K Following 🗿 Cultural Heritage | 3D | Open Access | Engagement 🏺 Prev. Sketchfab | Epic Games | British Museum | Museum in a Box
I Programmer @Iprogrammerinfo
5K Followers 0 Following Programming news, projects, articles and book reviews
Alex King @devoplimey.. @devoplimeyninja
245 Followers 694 Following Technology nerd, DevOps ninja, maker of things, aerospace and science fiction fan. Los Alamos National Lab.
paul gannon @paulgannonbike
9K Followers 9K Following Author of Colossus: Bletchley Park's Greatest Secret, Before Bletchley Park: Codebreakers of WWI. This account is for my environmental & active travel thoughts
Mark Simner @marksimner
5K Followers 2K Following Author and Magazine Feature Writer of British Military History | MHM Book of the Year Nominee | Book Reviewer | Militaria Collector | BA (Hons) MSc
Rebecca Foy @_RebeccaFoy
471 Followers 285 Following Director of Public Engagement @BletchleyPark, trustee @TullieHouse, loves painting, grammar, lighthouses, Brunel, Harry Potter... Views expressed are my own.
Usagi Electric @UsagiElectric
2K Followers 74 Following Constantly playing with cool old electronics, and perpetually in over my head, but always having a blast.
NASA @NASA
80.4M Followers 174 Following There's space for everybody. ✨ Verification: https://t.co/8nok3NP4PW
Andy Taylor 💙 @taylorandy
502 Followers 620 Following Not that Andy Taylor. Former Genius. Angry Birds master. Volunteer at @tnmoc Private Parking Ticket Guru. Usual Disclaimers Apply #FBPE 🇪🇺
Louise 6502 @Louise_6502
61 Followers 129 Following Looks after the PC Gallery at the National Museum Of Computing. Commodore Geek. 🏳️⚧️
David O'Keefe @okeefehistorian
4K Followers 2K Following Military Historian, best-selling author, Prof of History, Documentarian, Creator, Host, Writer, Producer etc. Creaky old Ballplayer.
Ian McClellan @ianmac67_SE
2K Followers 5K Following Ex-RAF & Systems Engineer. Geekiness, sci-fi & military history. Cold War, Bunkers & Radars. Also love Dystopian fiction. Views expressed mine, RT ≠ endorsement
Casillic @Casillic
13K Followers 3K Following Critical Infrastructure, High Consequence / High Integrity Systems, Space, Nuclear, Mathematics, Public Health, HPC #NASASocial RT|Fav|Follow≠Approve|No DM 🇺🇸
Mirek Szczerba @mirek_szczerba
8K Followers 1K Following Researcher. The World of Intelligence & Secret Service. Świat Wywiadu i Tajnych Służb. #OSINT .
Dominic Pajak @DominicPajak
4K Followers 496 Following Brit in Silicon Valley. Ex-Arm, Arduino. Embedded AI. WebXR stuff. Computing history. You’re never more than 6ft from a microcontroller.
PULSAR @PulsarFusion
2K Followers 216 Following We build hyper-fast, environmentally conscious, in-space propulsion systems. #ElectricPropulsion #RocketEngines #NuclearFusion 🇬🇧
Tilly Blyth @tillyblyth
2K Followers 2K Following Professor and Head of School @LeicsMusStud Trustee @bletchleypark and on Blue Plaques Panel for @englishheritage Previously Head of Collections @sciencemuseum
Jackie Uí Chionna @ChionnaUi
139 Followers 110 Following Historian. Singer. Author of "Queen of Codes" https://t.co/WHI1Hz14RU
Matthias Göggerle @mgoeggerle
86 Followers 122 Following history of science & technology | digital humanities |
North West Computer M.. @NWCMOfficial
341 Followers 49 Following
OTD Military History @OTDCanMilHis
11K Followers 2K Following Support my work at https://t.co/SlLj16ezNf Run by @BradStCroix. On #YouTube.
Ivana Tucak @IvanaTucak
6K Followers 5K Following Historian | Writer | Editor In Chief at The History Avenue 🏛 #TheHistoryAvenue LinkedIn: https://t.co/IWsAVXa1bO Facebook: https://t.co/u7fj4JtxtZ
Robert Gawłowski @robgawlowski
563 Followers 1K Following Researcher and Public Policy Analyst with experience as advisor to the local and central government institutions. Dr hab. in public administration.
Aquila Polonica @polandww2
5K Followers 2K Following Publishing, in English, the Polish experience of WWII. First-hand accounts, memoirs, photographs, artwork. For review copies, email [email protected]
Dr Phil Weir @navalhistorian
16K Followers 628 Following Historian, author and (occasional) broadcaster. 19th/20th Century naval history, particularly naval aviation. "Dunkirk & the Little Ships" out now @ShireBooks
N. “N1K0M0” K. @n1k0m0
1 Followers 5 Following
Charles Spicer @CharlesSpicer
4K Followers 5K Following Historian and author of Coffee With Hitler: The British Amateurs Who Tried to Civilise the Nazis. Paperback September 2023. https://t.co/FJhcNEYDf1 PhD, FRHistS
Michael Smith @MickWSmith
2K Followers 2K Following Michael Smith - Award-winning journalist and No 1 Bestselling Author. JUST OUT to RAVE REVIEWS The Real Special Relationship!
The Alan Turing Insti.. @turinginst
58K Followers 2K Following We are The Alan Turing Institute, the UK’s national institute for data science and artificial intelligence.
Bill Fairclough (aka .. @BurlingtonFiles
47K Followers 46K Following Bill Fairclough was an MI6/CIA secret agent. The Burlington Files series of novels is based on his life: https://t.co/8KHr6sH2B6 - 🚫NO DMs.
War Books Podcast @warbookspodcast
2K Followers 956 Following Writer & podcaster A.J. Woodhams interviews today's best authors writing about war-related topics. YouTube: https://t.co/78e1OzB4Z6, Apple Podcasts: https://t.co/dqkyEUkOtN
Pemberton's People (M.. @MyIpcressFile
12K Followers 12K Following Pemberton's People in MI6 were led by Colonel Alan Brooke Pemberton CVO MBE (1923-2010): https://t.co/XWhXGPwCJo 🚫NO DMs🚫
Robert Morton @Robert4787
35K Followers 32K Following Author of CIA spy thriller series, Member-Association of Former Intelligence Officers (AFIO).
ion 3D Engine @ion3dengine
231 Followers 1K Following A platform for building 3D websites and virtual reality experiences. ✨️ VR | WebGL | WebXR | Javascript https://t.co/k6YRcjadpQ 🚀
Work Chronicles @_workchronicles
130K Followers 185 Following 👋 Hello. I make comics about work, with love & lots of coffee. Follow to get the comics in your feed. Join the Newsletter: https://t.co/TnlvMdBJ1K
Dr Sarah-Louise Mille.. @SarahLouMiller
10K Followers 2K Following Lecturer @KingsCollegeLon @DefAcUK. Visiting Scholar @UniofOxford, FRHistS, MRAeS. WW2 Historian, Broadcaster, Author: Airpower, Intelligence, Defence, Security
3DPK @3DPKinteractive
162 Followers 158 Following 3DPK interactive. Interactive graphics on the web #3D #webdev
hackerfantastic.x @hackerfantastic
103K Followers 4K Following Co-Founder @myhackerhouse cyber security assurance & hacker training ~ ISBN9781119561453 ~ a book on professional hacking. Offensive Lua project.
SOE Spirit of Resista.. @SOE_Spirit
1K Followers 5K Following 💂♂️WW2/Tanks/SOE📻/SAS 1941-91🗡/LRDG🦂 🕵️♂️ColdWar/Spycraft📷/Intelligence👁️ 📻HF/VHF Radio📡 🚁MilAir✈ 🦊Wildlife/Vizsla🐕 ⚔️Vikings/Romans/Templars🛡️
𝙿𝚛𝚘𝚏. �.. @Identatron
676 Followers 643 Following Experienced #DFIR Investigator & Academic. Casework active across Civil, Criminal, Intelligence, Media, etc. Based @unisouthampton, My Views are my own!!
Cipher_Challenge @Cipher_Master
2K Followers 1K Following Invites school-aged participants to put their code-breaking skills to the test! Created by the School of Mathematical Sciences @UniSouthampton.
NCMI / Intelligence H.. @NCMIUK
2K Followers 1K Following The National Centre for Military Intelligence. An exciting & groundbreaking new state-of-the-art museum Sharing the the SECRETS… Coming soon! 👀
Nicola Ayrton @nico_lala
1K Followers 2K Following Director of @HCavMuseum 🐴 Previously @bletchleypark @chelseahistfest, @nam_london💂🏻Usually found enjoying: 🎭📚🍸🎵🍽🍫. All views my own.
Lily Dean @Lily_Dean1
177 Followers 118 Following Learning Manager @bletchleypark. All views shared are my own.
David Underdown @DavidUnderdown9
4K Followers 5K Following Data Engineer @UKNatArchives, (Digital Archiving). Plus, singing, promming, cycling and bell ringing and #WWI. Own views.
Vince Houghton @intelhistorian
5K Followers 5K Following Director @natcryptomuseum, @NSAGov; Formerly @IntlSpyMuseum; Miami native living in DMV; Author of Nuking the Moon, The Nuclear Spies, and Covert City
Military Pigeons @MilitaryPigeons
2K Followers 2K Following Celebrating those pigeons who helped keep our countries safe & free from peril! Sharing pics, videos, & articles all about military pigeons. #columbellumology05 May 1921: Birth of Mavis Lever (later Batey), #BPark code breaker, made crucial break into Italian Enigma before battle of Cape Matapan.
When they’re the same… but different. These #vickersmg tripod pins are great examples of the subtle variations found on ‘standard’ parts. As long as the pin fits where it needs to, the exact size and shape of the handle doesn’t matter.
Just received my @bletchleypark magazine in the post this afternoon! 😄
If you're not sure how to spend your May Bank Holiday weekend, why not enjoy a family day out at Bletchley Park? With fun-filled free activities, our ‘TOP SECRET’ Mission Packs, and interactive exhibitions, there's lots to keep little ones busy! bletchleypark.org.uk/book-now/
How much trouble can one wire cause? The IBM 1402 Card Reader/Punch (1959) was a workhorse of the punch-card era, speedily reading 800 cards per minute. But the museum's card reader occasionally crunched cards and jammed, interfering with the demonstrations. 1/8
@curious_marc A yellow wire was plugged into the relay connection indicated with the red arrow. I moved it to the green arrow. Fixing this connection made the card reader's bad behavior go away. How this wire got in the wrong place is a mystery. Did it happen recently or 50 years ago? 6/8
@kenshirriff @curious_marc We found this unsoldered connection in the back wiring of the Elliott 803 that must have been there for 40+ years !
Today is #LoveMKDay, where we celebrate all the wonderful things about Milton Keynes. Why not celebrate with a trip to Bletchley Park? Local residents can enjoy 50% off our standard admission prices. Pay once and come back for unlimited return visits within a year!🎫
There's some free #maths in #museums training coming up for museums planning to get involved with @mathsweekscot: eventbrite.co.uk/e/maths-in-mus… Would any English museums be interested in similar training aimed at participation in @maths_week England? Or even @mathsweekldn ?
01 May 1940: German army+air force change Enigma indicator procedure, #BPark Hut 6 now cannot use "Netz" (Zygalski sheets) to break Red key.
Discover an immersive cinematic experience exploring @bletchleypark secret D-Day role as the home of the World War Two Codebreakers commemorate #DDay80 bletchleypark.org.uk/event/d-day-80/ #Buckinghamshire
Spoke to the @tnmoc this morning and they mentioned this appeal to raise money for a proper roof repair - close to hitting their target, just need that final push. crowdfunder.co.uk/p/protect-the-…
30 Apr 1935: Wing Commander (later Air Vice-Marshal) Oswyn Lywood completes British TypeX cipher machine prototype, based on Enigma.
30 Apr 1943: #BPark told to protect Operation Mincemeat by suppressing any decrypts about papers retrieved from courier shot down off Spain.
Samuel Morse was born #OTD in 1791. In his honor, this month we bring you a quote from him written in International Morse Code. Can you #CrackTheCode?
Here it is running one of the disk test programmes.
Today @tnmoc I wrote an HCode programme for the Elliott 803 which uses "the chaos game" to draw Sierpinsky Triangles. It took about an hour do compute these 7000 points.
Also @tnmoc today another of our engineering volunteers has been successful in getting an RL02 disk drive working on a PDP-11/73.
William Friedman considered the 1817 Wadsworth Cipher to be the first modern disk cipher invented. Thanks to the Hamden Historical Society, this device is in our new Cipher Wheels exhibit opening on 4/29/24. Photo credit: Hamden Historical Society. nsa.gov/Portals/75/doc…
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