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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for February 7th, 2025

Dr. Nadia Drake has discovered both her dads Golden Record pulsar map, and the sketches for the Arecibo message

Posted by jpluimers on 2025/02/07

Ain’t history extra lovely when someone discovers the original drawings of what her dad had sent to space?

Back in the 1970s, Frank Drake did two memorable things: he helped design the Pioneer plaque (sent to space in 1972 on Pioneer 11) containing among other things pulsar map, and later helped design the 1977 Voyager Golden Record (sent to space in 1977 on both Voyager 1 and Voyager 2) again containing the pulsar map. In between, he helped designed Arecibo message broadcasted to space in 1974.

And guess what: today is the 50th anniversary of that message being broadcasted.

Almost 10 years ago, in 2016 his daughter Nadia Drake found back the original drawing of the pulsar map: Read the rest of this entry »

Posted in History, LifeHacker, Power User, science | Leave a Comment »

If you thought you found cheap directional WiFi antennas (2.4GHz or 5Ghz), then think twice

Posted by jpluimers on 2025/02/07

Nice [Wayback/Archive] Thread by @jhewitt_net on Thread Reader App that started with [Wayback/Archive] Joseph Hewitt on Twitter: “I bought some cheap aliexpress directional 2.4GHz antennas. As expected, they aren’t very good. (A small thread)”:

Read the rest of this entry »

Posted in Hardware, Power User, WiFi | Leave a Comment »