Join the discussion
Write your take first — we'll ask for email only when you're ready to publish.
- Hacker News
- An interesting point is that Colossus wasn't solving the same problem as the bombe. People usually group them together due to Bletchley Park, but they attacked different ciphers. It explains why Colossus ended up looking much more like an electronic programmable computer than bombe.by kiaansaraiya
- It was more of a special-purpose calculation machine than a general purpose computer, as we understand them which are based on von Neummann's architecture.by riazrizvi
- I’ve posted this before but if you’re in London and have a day to spare it’s very easy to get to Bletchley Park. Just take the train from Euston station. 1 hour ride worst case. Then it’s a five minute walk from the station. Well worth it.by andoma
- Interesting how this technological war behind the scenes probably had a disproportionately large effect on the war compared to how little you hear about it in text books or history class growing up.
The mention Turing a little bit, but I really enjoyed the movie “The Imitation Game” about Turing building the “Bombe” machine and eventually breaking the Enigma code, and the effect that had on the war. Highly recommend!
by 40four - I wasn't sure if this was going to be about Colossus, Eniac, the Norden bombsight, or what. WW2 happened right at the birth of real computing so there are a few examples of computers that helped. Heck there was an air-dropped acoustic-homing torpedo that had what is essentially a small single-purpose analog computer to direct it.by rsamtravis
- I have a major problem with that article, it completely ignores Polish mathematicians' contributions who literally GAVE the brits the codes 5 weeks BEFORE the start of WWII.by kubatyszko
- i had the opportunity to visit bletchley about sixteen years ago... one interesting detail was that all the colossus machines were destroyed after the war as they were seen as too powerful and dangerous. it wasn't until years later that the retired telephony engineers (this was where ee excellence lived at the time) who had built them began rebuilding them from memory as a sort of hobby/club centered at bletchley. there used to be a fellow there named tony sale who would tell you all about it, but unfortunately he passed away a few years ago.
super interesting place and worth the short trip out of london! also i believe the term they used was "semi-programmable digital computer." bombes were mechanical search machines that i believe operated on short ciphertext sequences and i believe the big innovation with the colossus was having the ciphertext live on a long optical tape that would be re-read at thousands of characters per second, thus enabling a high speed processing loop of longer sequences. but i am no expert on this!
by a-dub - Appended is a walkaround video of the Colossus at the National Museum of Computing next to Bletchley Park which is, FYI, a much better and far more interesting place to visit than Bletchley Park itself on the same site - and much cheaper. They have a bombe that cracked enigma, the colossus and some other German encoding machines and they are incredible to see. The lectures were absolutely fascinating.by t43562