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Ken Shirriff's blog

Computer history, restoring vintage computers, IC reverse engineering, and whatever.

  • By Ken Shirriff
  • Based in United States of America
  • Roughly one post per month

Posts per month

Data for this chart is available in the table below
Posts per month
Month starting Posts
Jan 2023 8
Feb 2023 5
Mar 2023 4
Apr 2023 2
May 2023 1
Jun 2023 0
Jul 2023 3
Aug 2023 2
Sep 2023 1
Oct 2023 3
Nov 2023 2
Dec 2023 4
Jan 2024 3
Feb 2024 3
Mar 2024 2
Apr 2024 1
May 2024 1
Jun 2024 1
Jul 2024 2
Aug 2024 2
Sep 2024 3
Oct 2024 1
Nov 2024 1
Dec 2024 0

Any gaps could be due to errors when fetching the blog’s feed.

Most recent posts

Antenna diodes in the Pentium processor
I was studying the silicon die of the Pentium processor and noticed some puzzling structures where signal lines were connected to the silicon substrate for no apparent reason. Two examples are in the photo below, …
On , by Ken Shirriff, 2,062 words
Wealth distribution in the United States
Forbes recently published the Forbes 400 List for 2024, listing the 400 richest people in the United States. This inspired me to make a histogram to show the distribution of wealth in the United States. …
On , by Ken Shirriff, 583 words
Reverse-engineering a three-axis attitude indicator from the F-4 fighter plane
We recently received an attitude indicator for the F-4 fighter plane, an instrument that uses a rotating ball to show the aircraft's orientation and direction. In a normal aircraft, the artificial horizon shows the orientation …
On , by Ken Shirriff, 3,796 words