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May 18, 2021 Archives
Tuesday, May 18, 2021
TRACKING WITH CLOSEUPS: Hewlett-Packard AC-4G Vacuum Tube Decade Counter
The use of a 4-2-1-1 binary code instead of 8-4-2-1 binary-coded decimal seems odd until you see the stunningly clever way they use it both to drive the indicator neon bulbs and generate the analogue ramp output without the wheelbarrow full of parts it would take to do the way we do now with integrated circuits.
Posted at
13:06
CONTEXT: U.S. Army Ready to Do Battle with—the Weather
U.S. ARMY: "In line with the President and the Secretary of Defense’s direction, the Army is prioritizing climate change considerations in its threat picture..." pic.twitter.com/F8bIeNWZJf
— Breaking911 (@Breaking911) May 16, 2021
Posted at
11:46
CONTINUITY: James Lovelock: Reanimating Frozen Hamsters with Microwaves
Yes, that James Lovelock—he's 101 years old and vividly remembers this research from the 1950s.
Posted at
10:56