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Satoshi Nakamoto is probably Nick Szabo?
I recently became interested in identifying the pseudonymous creator of Bitcoin, Satoshi Nakamoto. I started from the Bitcoin whitepaper [0] published in late 2008, and proceeded to run reverse tex…
New
The latest blog posts to take off on Hacker News. 4,253 posts.
History & Retro Computing
Any year
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Quote Origin: Americans Will Always Do the Right Thing — After Exhausting All the Alternatives
Question for Quote Investigator: While watching a cable news channel I heard a commentator present a quotation that he credited to Winston Churchill. When I searched the web I found many different versions:
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The keys to the keydom
Your security and privacy on the Internet (to the extent that such quaint notions still have meaning) depend on the difficulty of factoring certain large numbers. For example, take this 1,024-bit integer:
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Debugging a Live Saturn V
Writing and photos by Brennan Moore
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Richard Feynman: Cargo Cult Science (1974)
A carousel is a rotating set of images. Use the previous and next buttons to change the displayed slide
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The myth of NASA's expensive space pens
There’s a story about NASA’s incredibly expensive space pen and Russia’s simpler solution that gets trotted out every time some large organization introduces so
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The Linux Backdoor Attempt of 2003
Josh wrote recently about a serious security bug that appeared in Debian Linux back in 2006, and whether it was really a backdoor inserted by the NSA. (He concluded that it probably was not.) Today I want to write about another incident, in 2003, in which someone tried to backdoor the Linux kernel. This one […]
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Nobel Prize in Physics awarded to Englert and Higgs
The Nobel Prize in Physics 2013 was awarded jointly to François Englert and Peter W. Higgs "for the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discovery of the predicted fundamental particle, by…
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Ethiopian Binary Math
Today, a witch doctor practices computer arithmetic. The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them. The scene is a remote Ethiopian village in 1940. A Farmer offers his herd of 34 goats for sale…
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Temperature chart for the last 11,000 years
For the first time, researchers have put together all the climate data they have (from ice cores, coral, sediment drilling) into one chart that shows the “globa
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Why didn't we patent the spreadsheet? Were we stupid? (1999)
We didn't patent VisiCalc at Software Arts because you really couldn't patent software prior to 1981, and VisiCalc was shown to the public in 1979.
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How To Deconstruct Almost Anything (1993)
This is the story of one computer professional's explorations in the world of postmodern literary criticism. I'm a working software engineer, not a student nor an academic nor a person with any real background in the humanities. Consequently, I've approached the whole subject with a somewhat different frame of mind…
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First actual computer bug was found today, 66 years ago
On the 9th September, 1947, operators of the Mark II Aiken Relay Computer being tested at Harvard University, found a bug. And, in so doing, made history.
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Message threading (1997-2002)
In this document, I describe what is, in my humble but correct opinion, the best known algorithm for threading messages (that is, grouping messages together in parent/child relationships based on which messages are replies to which others.) This is the threading algorithm that was used in Netscape Mail and News 2.0…
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The Z-80 has a 4-bit ALU. Here's how it works.
The 8-bit Z-80 processor is famed for use in many early personal computers such the Osborne 1, TRS-80, and Sinclair ZX Spectrum, and it is s...
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The Rest of the Lenna Story
Home Page for Charles Rosenberg
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Reversing Sinclair's amazing 1974 calculator hack - half the ROM of the HP-35
Register-level simulator of the Sinclair Scientific calculator
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Why You’ve Never Read “I Have A Dream”
(I know some people will be interested in a followup post to Don’t Fly During Ramadan . I plan on writing one, but this post happens to be timely.)