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102 points by pwg | 33 comments
Ken Shirriff blog post examining the Intel 8087 coprocessor's microcode and circuitry for floating-point addition and subtraction, including special cases.
98 points by pwg | 11 comments
Ken Shirriff's blog post reverse-engineering the Intel 8087 coprocessor's FPTAN tangent instruction, which combines CORDIC with polynomial approximation.
413 points by NelsonMinar | 106 comments
Ken Shirriff blog post examining the electromechanical analog Angle Computer used in the B-52 bomber's automated celestial navigation star tracker.
350 points by defrost | 60 comments
Ken Shirriff's blog post about Diné (Navajo) weaver Marilou Schultz's rug depicting the internal circuitry of the 555 timer chip and how it was made.
354 points by Tomte | 138 comments
Ken Shirriff's blog post reverse-engineering the Pentium's ×3 multiplier circuit, used in its base-8 floating-point multiplication, and explaining how it works.
362 points by gslin | 110 comments
Ken Shirriff's blog post examining the Pentium die to show where the 1994 floating-point division bug lies in the silicon and why it occurred.
135 points by chmaynard | 67 comments
437 points by GavinAnderegg | 80 comments
Ken Shirriff's blog post about a 1994 Navajo weaving by Marilou Schultz depicting Intel's Pentium chip, shown at the National Gallery of Art.
870 points by todsacerdoti | 469 comments
Ken Shirriff's blog post examining the NFC chip inside a disposable Montreal Métro paper ticket, explaining how it is powered by and communicates with the turnstile.
