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Posts Tagged ‘computers’

World War II Enigma cipher machine up for auction

A rare, fully-operational Enigma cipher machine from World War II will go up for auction at Sothebys tomorrow as part of an amazing History of Science & Technology auction (also including Richard Feynman's Nobel Prize). The Enigma is expected to go for around $200,000.

From a 1999 article I wrote for

Fantastically far out poster for 1974 artificial intelligence lecture at UC Berkeley

Chris Veltri, proprietor of San Francisco's legendary Groove Merchant record shop, posted this astounding artifact to his Instagram wunderkammer of outré culture paper ephemera @collagedropoutsf! It's a poster for a lecture by artificial intelligence pioneer Herbert Simon that took place at UC Berkeley in 1974. The speech was titled "How Man and Computers Understand ...

Sandsifter program finds bugs, secret instructions and other oddities in computer processors

Sandsifter throws random machine code instructions at microprocessors, just to see what happens.

The sandsifter audits x86 processors for hidden instructions and hardware bugs, by systematically generating machine code to search through a processor's instruction set, and monitoring execution for anomalies. Sandsifter has uncovered secret processor instructions from every major vendor; ubiquitous software bugs ...